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IMPORTANT READ CAREFULLY BEFORE USE KEEP SAFE FOR LATER REFERENCE E l e c t r i c b i c y c l e O P E RAT I N G I N S T R U C T I O N S E - C o r e...
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Data sheet Name of the purchaser: Date of purchase: Model: Frame number: Type number: Unladen weight (lbs): Tyre size: Recommended tyre pressure (bar)*: front: rear: Wheel circumference (mm): Key number: Company stamp and signature: *After a tyre change, refer to the tyre markings for the permitted tyre pressures and make sure that they are observed.
Technical data Technical data Bicycle Transportation temperature 41°F - 77°F Ideal transportation temperature 50°F - 59°F Storage temperature 41°F - 77°F Ideal storage temperature 50°F - 59°F Operation temperature 41°F - 95°F Working environment temperature 59°F - 77°F Charging temperature 50°F - 86°F Power output/system 250 W (0.25 W)
Technical data Emissions A-weighted emission sound pressure level < 70 dB(A) Total vibration level for the hands and arms < 2.5 m/s² Highest effective value of weighted < 0.5 m/s² acceleration for the entire body Table 3: Emissions from the bicycle* *The safety requirements as per Electromagnetic Compatibility Directive 2014/30/EU have been met.
Table of contents Technical data About these instructions Manufacturer Laws, standards and directives Other valid documents Subject to change Language Identifying 2.6.1 Operating instructions 2.6.2 Bicycle For your safety 2.7.1 Instruction, training and customer service 2.7.2 Basic safety notes 2.7.3 Warnings 2.7.4 Safety markings...
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Table of contents 4.5.2 Operating and charge status indicator 4.5.3 Running light 4.5.4 Display 4.5.4.1 Operative elements 4.5.4.2 Displays 4.5.5 Command consoles Transportation, storage and assembly Transportation Storing 5.2.1 Break in operation 5.2.1.1 Preparing a break in operation 5.2.1.2 Carrying out break in operation Assembly 5.3.1 Unpacking...
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Table of contents 7.4.1.2 Inserting the side down tube battery 7.4.2 Charging the battery Electric drive system 7.5.1 Switching on the drive system 7.5.2 Switching off the drive system Display 7.6.1 Using the running light 7.6.2 Using the pushing aid 7.6.3 Selecting the level of assistance 7.6.4...
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Table of contents 8.1.4 Chain Maintenance 8.2.1 Wheel 8.2.2 Brake system 8.2.3 Electrical cables and cables Service Correcting and repairing 8.4.1 Using original parts only 8.4.2 Wheel quick release 8.4.2.1 Clamping the clamping lever 8.4.2.2 Clamping version I 8.4.2.3 Clamping version II 8.4.2.4 Clamping version III 8.4.2.5...
Text passages which are directed expressly at specialist staff (e.g. bicycle mechanics), are clearly marked with a blue tool symbol. Staff at all BULLS specialist dealers have specialist training and qualifications, and are therefore capable of identifying risks and preventing hazards which may arise during maintenance, servicing and repairs on the bicycle.
The following document applies for this product: • Charger operating instructions. No other information is also applicable. The constantly updated lists of approved accessories and parts are available to BULLS specialist dealers. Subject to change The information contained in these operating instructions are the approved technical specifications at the time of printing.
About these instructions Language This operating instructions are written in English. A translation is not valid without this original operating instructions.
Identifying 2.6.1 Operating instructions These operating instructions are printed in color. BULLS Bikes USA assumes no liability for copies of any kind, for example, black and white copies, loose pages or electronic copies. Table 5: Identification of the operating instructions 2.6.2...
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About these instructions Type number Model Bicycle type...
If you are unable to contact your specialist dealer, you will find a list of BULLS specialist dealers on www.bullsebikes.com They will also be able to attend your customer service needs.
About these instructions 2.7.2 Basic safety notes These operating instructions have a chapter with general safety notes [ Chapter 3, page 19]. The chapter stands out because of its grey background. 2.7.3 Warnings Hazardous situations and actions are marked with warnings.
About these instructions 2.7.4 Safety markings The following safety markings are used on the type plates of the bicycle: General warning Adhere to the instructions for use Table 8: Safety markings on the product For your information 2.8.1 Instructions for actions Instructions for actions are structured in accordance with the following pattern: ...
About these instructions only suitable for the road, no off-road riding or jumps suitable for roads, off-road riding and jumps of up to 15 cm suitable for rough off-road riding and jumps of up to 61 cm suitable for rough off-road riding and jumps of up to 122 cm suitable for the most difficult terrain Table 9:...
About these instructions Read the instructions Separate collection of electrical and electronic devices Separate collection of batteries Device of protection class II Only suitable for use indoors Fuse (device fuse) EU conformity Table 11: Information on the type plate...
About these instructions 2.8.3 Language conventions The bicycle described in these operating instructions may be equipped with alternative components. The equipment of the bicycle is defined by the respective type number [ Table 9, page 16]. If applicable, the notes alternative equipment and alternative version make reference to the use of alternative components.
About these instructions Type plate The type plate is situated on the frame. The type plate features the following information: CLASS 250W 20mph Figure 1: Type plate, example Identification Classification Maximum power output Shut-off speed Classification (1) A “class 1 electric bicycle,” or “low-speed pedal-assisted electric bicycle,”...
Safety Safety Requirements for the rider The physical and mental abilities of the rider must be sufficient for riding on public roads. The legal guardians hold sole responsibility for determining whether minors are suitable to use the bicycle. Personal protective equipment We recommend that you wear a suitable safety helmet.
Safety 3.3.1 City and trekking bicycle City and trekking bicycles are designed for daily, comfortable use on asphalted roads and paths. They are suitable for riding on public roads. City and trekking bicycles are not sports bicycles. If used for sports, reduced riding stability and diminished comfort are to be expected.
Safety Improper use Failure to adhere to the proper use causes a risk of personal injury and material damage. The bicycle is not suitable for the following uses: • riding with a damaged or incomplete bicycle, • riding over steps, •...
Safety Duty of care The safety of the bicycle can only be assured if all the necessary measures are taken. 3.6.1 User The user has the duty of care and responsibility for scheduling these measures and checking that they are implemented.
Rider The rider: • receives instruction before the first ride. He/she can clarify any questions relating to the operating instructions with the user or the BULLS specialist dealer. • wears personal protective equipment. • assumes all the responsibilities of the user when...
Description Description Overview 15 16 Figure 2: Bicycle, viewed from the right, example of E-Core Front wheel Fork Front mudguard Lamp Handlebars Stem Frame Seat post Saddle Pannier rack Rear light and reflector Rear mudguard Kickstand Rear wheel Chain Frame number and type plate Battery...
Description Handlebars Figure 3: Detailed view of bicycle from rider position, example Rear brake lever Front brake lever Command console, left Fork lock on suspension fork head Display Fork lock Command console, right...
Description Wheel and fork Figure 4: Components of the wheel, example of front wheel Tyre Preload adjuster Shock absorber Spoke Quick release Valve Fork end of the shock absorber 4.3.1 Valve Each wheel has a valve. It is used to fill the tyre with air.
Description 4.3.2 Suspension A suspension fork has two functions which improve the floor contact and the comfort: the suspension and the damping. Figure 5: Bicycle without suspension (rebound) (1) and with suspension (2) when riding over an obstacle The suspension prevents an impact, e.g. caused by a stone lying in the way, from being directed directly into the rider's body via a fork.
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Description This model series features three different suspension and damping systems: Figure 6: Arrangement of the suspension systems for the front wheel (I) and rear wheel (II) Rebound, suspension system (steel suspension fork or air suspension fork) Compression damper Rebound damper Fork housing...
Description Brake system The bicycle is equipped with a disc brake. Figure 7: Bicycle brake system with a disc brake, example Disc brake Brake caliper with brake linings Handlebars with brake levers Front wheel disc brake Rear wheel disc brake On a bicycle with a disc brake, the brake rotor is fixed to the hub of the wheel.
Description Electric drive system The bicycle is driven by muscle power via the chain drive. The force which is applied by pedaling in the direction of travel, drives the front chain ring. The chain transmits the force onto the cassette and then onto the rear wheel.
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Description The electric drive system is made up of 8 components: Figure 9: Diagram of electric drive system Lamp Command console Display Integrated battery Rear light Electric gear shift (alternative) Motor • a charger which is designed for this battery. As soon as the required muscle power from the rider pedaling passes a certain level, the motor is activated gently and assists the pedaling motion of the rider.
Description The bicycle does not have a separate emergency stop or emergency shut-off button. The motor switches off automatically as soon as the rider no longer pedals, the temperature is outside the permitted range, there is an overload or the shut-off speed limit has been reached.
Description Transportation temperature 41 °F - 77 °F Ideal transportation temperature 50 °F - 59 °F 41 °F - 77 °F Storage temperature Ideal storage temperature 50 °F - 59 °F Charging ambient temperature 50 °F - 86 °F Table 14: Battery technical data The bicycle has a side down tube battery: Figure 10:...
Description 4.5.2 Operating and charge status indicator The five green LEDs of the operating and charge status indicator indicate the charge status of the battery when the battery is switched on. Each LED represents 20% of the charge status. The charge status of the activated battery is also shown on the display.
Description 4.5.4.2 Displays The display has eight screen displays: Figure 12: Overview of the screen displays Gear indicator Display area of system messages Battery charge status Display of selected journey information Function display Level of assistance Unit of measure for speed Power Table 16: Overview of the screen display...
Description Level of assistance The higher the level of assistance, the more the drive system assists the rider when pedaling. The following levels of assistance are available. Display Details High level of assistance. B O O S T Normal assistance T R A IL Low level of assistance E C O...
Description Current speed A selection can be made in the system settings to determine whether the speed is displayed in kilometres per hour [km/h] or miles per hour [mph]. Function display The function display shows two different items of information: •...
Description System settings In order to see the system settings and data, the rider has to call up the system settings. The rider can change the values of the system settings, but not the system data. Display Function CL EAR Change journey information values CL O CK...
Description System message The drive system monitors itself continuously and if an error is detected, it is indicated by a system message. Three beeps sound simultaneously. The system may switch off automatically depending on the type of error. There is a table with all the system messages at the end of the chapter Maintenance [ Chapter 8.4.9, ...
Transportation, storage and assembly Transportation, storage and assembly Transportation C r a s h c a u s e d b y u n i n t e n t i o n a l a c t i v a t i o n CAUTION There is a risk of injury if the drive system is activated unintentionally.
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When transporting by car, you must use a suitable bicycle rack system. The BULLS specialist dealer will advise you on how to select a suitable rack system properly and how to use it safely.
Transportation, storage and assembly Storing R i s k o f f i r e a n d e x p l o s i o n d u e t o h i g h CAUTION t e m p e ra t u r e s Excessively high temperatures damage the battery.
Never wax the friction surfaces of the brake. ü Before longer periods without use, it is recommendable for the BULLS specialist dealer to carry out servicing, basic cleaning and to apply preservative agent. 5.2.1.2 Carrying out break in operation ...
ü Universal tools, a torque wrench with an operating range of 5 Nm to 40 Nm and the special tools, as recommended by BULLS Bikes USA, must be available. 5.3.1 Unpacking Hand injuries caused by cardboard packaging CAUTION The shipping carton is closed with metal staples.
Transportation, storage and assembly The packaging material consists mainly of cardboard and plastic film. The packaging has to be disposed of in accordance with the regulations of the authorities. 5.3.2 Scope of delivery The bicycle was completely assembled in the factory for test purposes and then dismantled for transportation.
Transportation, storage and assembly Every bicycle must be prepared so that it is in fully usable condition immediately after being set up. Initial commissioning includes the following work: Check the battery [ Chapter 5.3.3.1, page 49]. The battery is supplied partially charged. In order to guarantee full power, charge the battery fully.
Transportation, storage and assembly Sale of the bicycle Fill out the data sheet on the first page of the operating instructions. Adjust the bicycle to the rider. Set the kickstand and the shifter, and show the purchaser the settings. ...
Transportation, storage and assembly Installing the wheels with quick release Crash caused by unfastened quick release CAUTION A faulty or incorrectly installed quick release may become caught in the disc brake and block the wheel. This will cause a crash. u Install the front wheel quick release lever on the opposite side to the disc brake.
Adjusting the bicycle to the rider Adjusting the bicycle to the rider The BULLS specialist dealer checks all the factory settings and, when the bicycle is sold, adapts the settings of the saddle, handlebars, suspension fork and the spring damper elements to the rider.
Figure 15: Determining the saddle height 6.1.2 Clamp the seat post with the quick release The BULLS specialist dealer demonstrates the function of the quick release to the rider or user. Figure 16: Seat post quick release in the final position...
Check the clamping force of the quick releases. 6.1.3 Adjusting the sitting position and saddle tilt Special tools are required to adjust the seat length and the saddle tilt. The BULLS specialist dealer adjusts the saddle setting to the rider. Setting the handlebars ...
Adjusting the bicycle to the rider Adjusting the stem 6.3.1 With quick release (Alternative version) Crash caused by incorrectly set clamping force CAUTION Excessively high clamping force will damage the quick release and cause it to lose its function. Insufficient clamping force will cause a detrimental transmission of force.
Adjusting the bicycle to the rider 6.3.2 Adjustable without tools (Alternative version) The setting for the stem which can be adjusted without tools must only be made when the bicycle is stationary. Press the locking button on the left-hand side of the stem.
Adjusting the bicycle to the rider An audible clicking noise signals that the stem clamping lever has been locked in the final position. The locked stem clamping lever can no longer be raised. Basic setting for suspension and damping The adjustment shown here represents a basic setting.
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Adjusting the bicycle to the rider Set the filling pressure using the filling pressure recommendations on the air suspension fork as the initial value. Set the O-rings on the stanchion or the piston to the minimum possible deflection. ...
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Adjusting the bicycle to the rider Figure 20: Setting the hardness on the suspension damping element Dial Valve cap on suspension damping element O-ring...
Adjusting the bicycle to the rider 6.4.2 Setting the rebound damper Front wheel The rebound damper for the front wheel is situated on the fork leg. It may be marked with either hare/ tortoise symbols or plus and minus symbols. Figure 21: Setting the rebound damper, example with hare and tortoise symbol...
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Adjusting the bicycle to the rider If the wheel loses contact with the floor, turn back in small steps towards the tortoise symbol or plus symbol. Rear wheel The rebound damper for the rear wheel is situated on the suspension damping element. Figure 22: Setting the hardness on the suspension damping element Setting wheel...
Adjusting the bicycle to the rider 6.4.3 Setting the compression damper The basic setting only has to be determined for compression dampers which have to be set with multiple clicks. A setting of 5 clicks is recommended as the basic setting. Response of the Setting damper...
Adjusting the bicycle to the rider Setting the grip distance of the brake lever Set the grip distance using the knurled screw on the brake lever. The rider can use the brake lever comfortably. Figure 24: Brake lever (1) with knurled screw (2)
Operation Operation Crash caused by loose clothing CAUTION Laces, scarves and other loose items may become entangled in the spokes on the wheels and the chain drive. This may result in a crash and injuries. Wear sturdy footwear and close-fitting clothing. Crash caused by accumulated dirt CAUTION Accumulated dirt can disrupt the functions of the...
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Always keep the bicycle dry and free from frost. u If the bicycle is to be operated at temperatures below 37.4 °F, the BULLS specialist dealer must first prepare the bicycle for winter service. Off-road riding subjects the joints in the arms to severe strain.
This may result in a crash and injuries. Remove the bicycle from service immediately in case of any signs of material fatigue. Have a BULLS specialist dealer check the situation. u Have the BULLS specialist dealer carry out basic cleaning regularly.
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Operation Check list before each ride Check that the bicycle is complete. Check that the lighting, reflector and brake, for instance, are sufficiently clean. You must check that the mudguards, the pannier rack and the chain guard are securely installed. Check that the front and rear wheels run true.
Operation Using the kickstand Crash caused by a lowered kickstand CAUTION The kickstand does not fold up automatically. There is a risk of crashing if riding with the kickstand lowered. Raise the kickstand completely before the ride. Because of the heavy weight of the bicycle, the NOTICE kickstand may sink into soft ground, the bicycle may topple and fall over.
Operation Using the pannier rack (Alternative equipment) Crash caused by loaded pannier rack CAUTION The riding performance of the bicycle changes with a loaded pannier rack, in particular when steering and braking. This can lead to a loss of control. This may result in a crash and injuries.
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Operation The maximum load bearing capacity is indicated on the NOTICE pannier rack. Never exceed the permitted total weight when packing the bicycle. Never exceed the maximum load bearing capacity of the pannier rack. Never modify the pannier rack. ...
Operation Battery Risk of fire and explosion due to faulty battery WARNING The safety electronics on damaged or faulty batteries may fail. The residual voltage can cause a short circuit. The batteries may self-ignite and explode. Remove batteries with external damage from service immediately and never charge them.
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Operation Fire and explosion caused by short circuit CAUTION Small metal objects may jumper the electrical connections of the battery. The batteries may self- ignite and explode. Keep paper clips, screws, coins, keys and other small parts away from the battery and do not insert them into the battery.
Operation Fall caused by the battery falling out CAUTION If the battery is not properly fastened before the ride, it may come loose and fall out. This may result in a crash and injuries. Check the inserted battery to make sure it is fastened and firmly in place.
Operation 7.4.1.2 Inserting the side down tube battery Place the down tube battery on the contacts in the bottom mount. Push the battery inwards. There is an audible clicking noise. Check the inserted battery to make sure it is fastened and firmly in place.
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Operation u The ambient temperature during the charging process must be within the range from 50 °F to 86 °F. 50 °F - 86 °F Charging temperature The battery can remain on the bicycle or be removed for charging. Interrupting the charging process does not damage ...
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Operation If an error occurs during the charging NOTICE process, a system message is displayed. Remove the charger and the battery from operation immediately and follow the instructions. During the charging process the operating and charge status indicator indicates the charge status. ...
Operation Electric drive system 7.5.1 Switching on the drive system Crash caused by lack of readiness for braking CAUTION When it is switched on, the drive system can be activated by the application of force on the pedals. There is a risk of a crash if the drive is activated unintentionally, and the brake is not reached.
Operation Display 7.6.1 Using the running light The running light is either constantly on or constantly off. The setting is changed in the system settings Chapter 7.6.5.5, page 80]. 7.6.2 Using the pushing aid The pedals turn when using the pushing aid because NOTICE of the design.
Operation 7.6.3 Selecting the level of assistance Push the long lever (left) once briefly to increase the level of assistance. Push the short lever (left) to reduce the level of assistance. 7.6.4 Switching journey information Press the info button (display) until the desired item of journey information is displayed.
Operation 7.6.5.3 Changing the journey information The settings menu is open. Push the long lever (left) or short lever (left) repeatedly until C L E A R is highlighted. Press the button (display). There are two selection options. Display Function E XIT...
Operation 7.6.5.5 Setting the running light The settings menu is open. Push the long lever (left) or short lever (left) repeatedly until L I G H T is highlighted. Press the button (display). There are two selection options. Display Function Switch light on constantly...
Operation Press the button (display). The time has been set. The settings menu is displayed. 7.6.5.7 Setting the beep sound The settings menu is open. Push the long lever (left) or short lever (left) repeatedly until B E EP is highlighted. ...
The gear shift is adjusted in the settings menu with the menu item A D J U S T . Special knowledge and tools are required for setting the gear shift. These settings must only be made by a BULLS specialist dealer.
Operation 7.6.5.11 Resetting the rear derailleur Before the rear derailleur protective function is NOTICE reset, the rear derailleur has to be inspected closely. Never reset the rear derailleur protective function if the rear derailleur is bent, broken or damaged. The bicycle has a rear derailleur protective function to protect the gear shift in case of crashes.
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Operation Press the action button (left). The highlighted function has been set. If OK is selected, the connection between the motor and the crank is re-established. The settings menu is displayed.
Operation Gear shift The selection of the appropriate gear is a prerequisite for a physically comfortable ride and making sure that the electric drive system functions properly. The ideal pedaling frequency is between 40 and 60 revolutions per minute. 7.7.1 Selecting a higher gear manually ...
Operation Brakes Crash caused by incorrect use CAUTION Handling the brake improperly can lead to loss of control or crashes, which may result in injuries. Practise braking and emergency braking before the bicycle is used in public spaces. Shift your weight back and down as far as possible. Crash caused by wet conditions CAUTION The tyres may slip on wet roads.
Operation The drive force of the motor is shut off during the ride as soon as the rider no longer pedals. The drive system does not switch off when braking. In order to achieve optimum braking results, do not pedal while braking.
Operation Suspension and damping 7.9.1 Locking the front wheel suspension (Alternative equipment) When the fork lock is in the open position, the suspension system has activated suspension and thus provides the rider and the bicycle with relief. Riding with the fork lock open should therefore be preferred for everyday riding.
Operation 7.9.1.2 Locking lever on handlebars, version I To lock the suspension system, push the locking slider out of the pushed-in position. The locking slider stops in the pushed-out position. A padlock symbol indicates that the fork lock is locked.
Operation 7.9.1.4 Fork lock on handlebars, version III To lock or release the front wheel suspension, push the long lever. To reset the function of the long lever, push the short lever. Figure 28: Fork lock on handlebars, version III, with long lever (1) and short lever (2), example 7.9.1.5 Fork lock on handlebars, version IV...
Operation The locking lever features a closed padlock symbol. To release the front wheel suspension, push the side unlocking lever. The side unlocking lever features an open padlock symbol. Figure 30: Fork lock on handlebars, version V, with locking lever (1) and unlocking lever (2) 7.9.2 Locking the compression damper...
Maintenance Maintenance Cleaning check list Lubricating the chain once a month Cleaning the battery once a month Basic cleaning and preservation of all at least every six components months at least every six Cleaning the charger months Maintenance check list ...
The following servicing measures must be carried out regularly [ Check list, page 92]. Servicing can be performed by the user and rider. In case of any doubt, consult the BULLS specialist dealer. 8.1.1 Battery Fire and explosion caused by penetration by water CAUTION The battery is only protected from simple spray water.
Maintenance 8.1.3 Basic cleaning and preservation Crash caused by brake failure CAUTION After cleaning, servicing or repairing the bicycle, the braking effect may be temporarily unusually weak. This may result in a crash and injuries. Never apply care products or oil to the brake disks or brake pads, or the braking surfaces on the rims.
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[ Check list, page 92]. They can be carried out by the user and rider. In case of any doubt, consult the BULLS specialist dealer. 8.2.1 Wheel If the pressure is too low in the tyre, the tyre does not NOTICE achieve its load bearing capacity.
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Maintenance 8.2.3 Electrical cables and cables Check all visible electrical cables and cables for damage. If, for example, the sheathing is compressed, the bicycle will need to be removed from service until the cables have been replaced. Check all electrical cables and cables to make sure they are fully functional.
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If the service life of a component has expired, the component may suddenly fail. This may result in a crash and injuries. u Have the BULLS specialist dealer carry out six- monthly basic cleaning of the bicycle, preferably at the same time as the stipulated servicing work.
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Using original parts only The individual parts of the bicycle have been carefully selected to match each other. Only original parts must be used for maintenance and repair. The constantly updated lists of approved accessories and parts are available to BULLS specialist dealers.
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Maintenance 8.4.2 Wheel quick release Crash caused by unfastened quick release CAUTION A faulty or incorrectly installed quick release may become caught in the disc brake and block the wheel. This will cause a crash. u Install the front wheel quick release lever on the opposite side to the disc brake.
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Maintenance 8.4.2.1 Clamping the clamping lever The clamping lever for the quick release is marked OPEN and CLOSE. If you can read the word OPEN, the quick release is open. If you can read the word CLOSE, the quick release is clamped. ...
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Maintenance Checking and setting the clamping force of the quick releases If the clamping lever cannot be moved into the final position just by pushing it with the hand, or if it is too loose, its clamping force will need to be readjusted. ...
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Clamping version III If the clamping force is insufficient, have the NOTICE BULLS specialist dealer inspect it. Figure 34: Quick release, version III, with axle (1) and clamping lever (2) Push the axle into the hub as far as it will go with the clamping lever completely open.
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Maintenance 8.4.2.5 Clamping version IV Push the axle into the hub as far as it will go with the clamping lever open. Screw the clamping lever clockwise into the correct final position. Clamp the clamping lever. Setting the clamping force If the clamping force is set too high, the clamping lever cannot be pushed into the closed final position.
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Maintenance 8.4.2.6 Clamping version V Crash caused by unfastened quick release CAUTION The clamping force of the quick release lever is set once during assembly and is not an indication that the wheel axle is sufficiently fastened. The axle may come loose if the closed quick release is turned.
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Maintenance Figure 37: Flipping the quick release into the recess (1) Turn the axle on the quick release clockwise until the axle is firmly in place. Pull the lever from the recess and clamp it properly. The clamping force of the lever is not an indication of the tightening torque of the axle.
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Maintenance Open the quick release lever. Connect a 2.5 mm hexagon socket spanner to the middle of the clamping lever. Turn the hexagon socket spanner: • clockwise to increase the clamping force and • anti-clockwise to reduce the clamping force. ...
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Maintenance 8.4.3 Adjusting the tyre pressure 8.4.3.1 Dunlop valve The tyre pressure cannot be measured on the simple Dunlop valve. The tyre pressure is therefore measured in the filling hose when pumping slowly with the bicycle pump. It is recommendable to use a bicycle pump with a pressure gauge.
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Maintenance 8.4.3.2 Presta valve It is recommendable to use a bicycle pump with a pressure gauge. The operating instructions for the bicycle pump must be adhered to. Unscrew and remove the valve cap. Open the knurled nut around four turns. ...
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Maintenance 8.4.3.3 Schrader valve It is recommendable to use a bicycle pump with a pressure gauge. The operating instructions for the bicycle pump must be adhered to. Unscrew and remove the valve cap. Connect the bicycle pump. ...
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10 m in front of the bicycle. 8.4.8 Repair by the specialist dealer Special knowledge and tools are required for many repairs. Only a BULLS specialist dealer must carry out the following repairs, for instance: • Replacing tyres and rims, •...
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Maintenance 8.4.9 First aid for system messages Fire and explosion due to faulty batteries WARNING The safety electronics on damaged or faulty batteries may fail. The residual voltage can cause a short circuit. The batteries may self-ignite and explode. Batteries with external damage must be removed from service immediately.
If the system message is still displayed, remove and then re-insert the battery. u Re-start the drive system. u If the system message is still displayed, contact the BULLS specialist dealer. 8.4.9.2 Specific error eradication Make a note of the error number.
Overheating Allow the battery to cool down in a cool place. If the error message is still displayed, contact the BULLS specialist dealer. Safety error Insert original battery If the system message is still displayed, contact the BULLS specialist dealer.
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If the LEDs of the charge status indicator do not light up, contact the BULLS specialist dealer. u If the LEDs of the charge status indicator light up, but the drive system does not start up, remove the battery.
Maintenance Accessories We do not recommend to equip a full suspension bicycle with a kickstand. We recommend a parking stand into which either the front or rear wheel can be inserted securely.
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Maintenance 8.5.1 Child seat Crash caused by improper handling CAUTION When using child seats, the riding properties and the stability of the bicycle change considerably. This can cause a loss of control, a crash and injuries. You should practice how to use the child seat safely and reliably before using the bicycle in public spaces.
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Maintenance The BULLS specialist dealer will advise you on the choice of right child seat system for the child and the bicycle. The scope of delivery of commercially available child seats does not usually contain any of the material which is required to adapt the bicycle to the child seat.
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The BULLS specialist dealer will advise you on the choice of right trailer system for the bicycle. The scope of delivery of commercially available bicycle trailers does not usually contain any of the material which is required to adapt the bicycle to the trailer.
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Recycling and disposal Recycling and disposal Risk of fire and explosion WARNING The safety electronics on damaged or faulty batteries may fail. The residual voltage can cause a short circuit. The batteries may self-ignite and explode. Remove batteries with external damage from service immediately and never charge them.
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The bicycle, the display, the unopened and undamaged battery and the charger can be returned to any BULLS specialist dealer free of charge. Depending on the region, further disposal options may be available. u Store the individual parts of the decommissioned bicycle in a dry place, free from frost, where they are protected from direct sunlight.
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List of tables List of tables Table 1: Bicycle technical data, 2 Table 2: Battery technical data, 2 Table 3: Emissions from the bicycle*, 3 Table 4: Tightening torque values, 3 Table 5: Identification number of the operating instructions, 11 Table 6: Type number, model and bicycle type categorisation, 11 Table 7:...
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Index Index Alternative equipment, 18 Damper, 28 Knurled nut, 52 Alternative version, 18 Compression damper, 28 Area of use, 16 Rebound damper, 28 Lamp, 25, 32 Damping, 28 Level of assistance, 38, 41 Dashpot, see Compression Basic cleaning, 94 - selecting, 78 damper Battery, 34 ECO, 38...
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