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Summary of Contents for Bulls 21-10-1005
- Page 1 IMPORTANT READ CAREFULLY BEFORE USE KEEP SAFE TO CONSULT AT A LATER DATE Bicycle Operating Instructions MY21 B03 - 32 _1.0 _ 23.12.20 20...
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Page 2: Table Of Contents
Contents Contents About these instructions Description of controls and screens Manufacturer 3.5.1 Handlebars Language Environmental requirements Laws, standards and directives Transporting and storing For your information Shipment 1.4.1 Warnings Transportation 1.4.2 Markups 4.2.1 Using the brake transport securing Model plate system Identifying instructions Storing... - Page 3 Contents 6.4.5.3 Setting the grip distance on a 6.12 Gear shift 6.12.1 Using the derailleur gears Magura disc brake lever 6.12.2 Using a hub gear 6.4.5.4 Setting the pressure point on a 6.13 Parking the bicycle Magura brake lever Cleaning and servicing 6.4.6 Adjusting the damping sag Cleaning after each ride...
- Page 4 Contents Troubleshooting, fault clearance and repair Lighting Gear shift Suspension fork 9.3.1 Rebound too fast 9.3.2 Rebounding too slowly 9.3.3 Suspension too soft on inclines 9.3.4 Excessively hard damping on bumps Rear frame damper 9.4.1 Rebound too fast 9.4.2 Rebounding too slowly 9.4.3 Suspension too soft on inclines 9.4.4...
- Page 5 About these operating instructions Thank you for your trust! Copyright ZEG bicycles are premium quality bicycles. You © ZEG Zweirad-Einkaufs-Genossenschaft eG have made an excellent choice. Your specialist Distribution or reproduction of these operating dealer will provide you with guidance and instructions and utilisation or communication of instruction and assemble your product.
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Page 6: About These Instructions
About these operating instructions About these instructions For your information Different markings are used in the instructions to Manufacturer make them easier to read. The manufacturer of the bicycle is: 1.4.1 Warnings ZEG Zweirad-Einkaufs-Genossenschaft eG Warnings indicate hazardous situations and Longericher Strasse 2 actions. -
Page 7: Markups
About these operating instructions 1.4.2 Markups Instructions for specialist dealers are highlighted in grey. They are indicated by a screwdriver symbol. Information for specialist dealers does not require non-professionals to take any action. You will find stylised forms of typeface in the instructions: Stylised form Italics... -
Page 8: Model Plate
Figure 2. model plate. ZEG Zweirad-Einkaufs- Genossenschaft eG Longericher Str. 2 50739 Köln, Germany Typ: 21-10-1005 ISO 4210-2 125 kg Figure 1: Example Nameplate Designation Description You can contact the manufacturer at the address. You can find more information in... -
Page 9: Safety
Safety Safety Residual risks 2.1.1 Fire hazard Toxic substances 2.2.1 Brake fluid 2.1.1.1 Overheated brakes Brake fluid may leak out after an accident or due The brakes may become very hot during to material fatigue. Brake fluid can be fatal if operation. -
Page 10: Safety Markings And Safety Instructions
Safety Safety markings and safety After inhalation instructions Take in fresh air. Immediately consult a doctor in case of any discomfort. The bicycle nameplate contains these safety markings and safety instructions: After skin contact Symbol Explanation Wash affected skin with soap and water and rinse well. -
Page 11: Overview
Overview Overview Figure 2: Bicycle viewed from the right – example Front wheel Pannier rack Fork Rear wheel Front guard Rear light Headlight Rear guard Handlebars Kickstand Stem Chain Frame Chain guard Seat post Pedal Saddle MY21B03 - 32_1.0_23.12.2020... -
Page 12: Description
Overview Description 3.1.2.2 Suspension fork A suspension fork is based either on a steel spring or 3.1.1 Wheel air suspension. Unlike a rigid fork, a suspension fork has two functions which improve floor contact and comfort: suspension and damping. The suspension prevents an impact, such as one caused by a stone lying in the bicycle's path, from being channelled directly into the rider's body via the fork. - Page 13 Overview Negative deflection with the ground when passing over bumps (blue line). Sag is the percentage of total deflection that is compressed by the rider's weight, including The fork head, handlebars and rider broadly follow equipment (such as a backpack), their seating the terrain (green line) when riding over bumps.
- Page 14 Overview Steel suspension fork Air suspension fork The stem and handlebars are fastened to the fork The air suspension fork features an air suspension assembly (orange), a compression damper steerer. The wheel is fastened to the axle. assembly (blue) and, in some cases, a rebound damper assembly (red).
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Page 15: Rear Frame Damper
Overview 3.1.2.3 Rear frame damper the suspension deflects as soon as the wheel touches the ground after the bump. The rear The rear frame damper rebounds at a controlled frame damper rebounds in a controlled way, so speed if it is optimally adjusted. The rear wheel that the rider remains sitting in a horizontal does not bounce off rough surfaces or the ground;... -
Page 16: Suntour Rear Frame Damper
Overview 3.1.2.4 Suntour rear frame damper 3.1.2.5 RockShox rear frame damper The rear frame damper features air suspension, a The rear frame damper features air suspension, a compression damper and a rebound damper. compression damper and a rebound damper. Figure 13: Example showing Suntour rear frame damper l Figure 14: Monarch RL as an example Air chamber Threshold lever... -
Page 17: Brake System
Overview 3.1.3 Brake system The rim brake stops the wheel moving when the rider pushes the brake lever, causing two brake Every bicycle has a hydraulic brake system. The linings, positioned opposite one another, to be brake fluid is in a closed hose system. If the rider pressed onto the rims. -
Page 18: Back-Pedal Brake
Overview 3.1.4 Drive system 3.1.3.3 Back-pedal brake The bicycle is driven by muscle power via the chain drive. The force which is applied by pedalling in the direction of travel drives the front chain wheel. The chain transmits the force onto the rear chain wheel and then onto the rear wheel. -
Page 19: Proper Use
Overview Proper use The bicycle may only be used in a perfect, fully protection in the respective country of use must be functional condition. National requirements may adhered to. All check lists and instructions for apply to the bicycle which differ from the standard actions in these instructions must be observed. -
Page 20: Improper Use
Overview Improper use Failure to adhere to the proper use poses a risk of • riding with no hands • riding on ice and snow without winter accessories personal injury and material damage. It is • improper servicing prohibited to use the bicycle in the following ways: •... -
Page 21: Technical Data
Overview Technical data 3.4.1 Bicycle Transportation temperature -10 °C - 50 °C Ideal transportation temperature 22 °C - 26 °C Storage temperature -10 °C - 50 °C Ideal storage temperature 10 °C - 15 °C Operating temperature 0 °C - 30 °C Work environment temperature 15 °C - 25 °C Table 7: Bicycle technical data... -
Page 22: Environmental Requirements
Overview Environmental requirements You can ride the bicycle within a temperature You must keep within the following temperature range between 0 °C and 30 °C. ranges. Optimal operating temperature 22 °C - 26 °C Transportation temperature -10 °C - 50 °C Temperatures under -10 °C and over +35 °C must Storage temperature -10 °C - 50 °C... - Page 23 Overview The bicycle is unsuitable for the following areas of use: Child's bicycles/ City and trekking Area of use bicycles for young Mountain bikes Racing bicycle Cargo bike Folding bicycle bicycles adults Never drive off-road Never drive off-road Never drive off-road Never drive off-road Never drive off-road or perform jumps.
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Page 24: Transporting And Storing
Transporting and storing Transporting and storing Shipment Insert the transport securing devices between the brake linings. When shipping the bicycle, we recommend that Transport securing device is squeezed you have the specialist dealer partially between the two linings and prevents dismantle the bicycle and place it in the proper undesired sustained braking which can cause packaging. -
Page 25: Assembly
Assembly Assembly 5.2.1 Scope of delivery The bicycle is fully assembled in the factory for test purposes and then dismantled for WARNING transportation. Risk of eye injury The bicycle is 95–98 % pre-assembled. The Problems may arise if the settings are not made scope of delivery includes: to components correctly and you may sustain serious injuries as a result. -
Page 26: Installing The Wheel In The Suntour Fork
Assembly 5.3.1 Installing the wheel in the Suntour 4 Tighten the securing screw with a 5 mm fork hexagon socket spanner to 5–6 Nm. The lever is mounted. 5.3.1.1 Screw-on axle (15 mm) Only applies to Suntour forks with 15 mm screw-on axle 1 Insert the axle completely on the drive side. -
Page 27: Quick Release Axle
Assembly 5.3.1.3 Quick release axle 2 Tighten the axle with the red handle. Only applies to Suntour forks with screw-on axle CAUTION Crash caused by loose quick release axle A faulty or incorrectly installed quick release axle may become caught in the brake disc and block the wheel. -
Page 28: Quick Release
Assembly 5 Check the position and clamping force of the 5.3.1.4 Quick release quick release lever. The quick release lever Only applies to Suntour forks with quick release must be flush with the lower housing. You must be able to see a slight impression on the palm CAUTION of your hand when you close the quick release Crash caused by unfastened quick release... -
Page 29: Installing The Wheel In The Fox Fork
Assembly 5.3.2 Installing the wheel in the FOX fork 2 Push in the quick release until you can hear a click. Make sure that the flange is extended. 5.3.2.1 Quick release (15 mm) Only applies to FOX forks with 15 mm screw-on axle The procedure for installing the 15 x 100 mm and 15 x 110 mm quick releases is the same. -
Page 30: Kabolt Axle
Assembly Setting the quick releases 5.3.2.2 Kabolt axle Only applies to FOX forks with Kabolt axles The same procedure is used for installing both the 15 x 100 mm and 15 x 110 mm Kabolt axles. 1 Place the front wheel in the fork ends of the fork. -
Page 31: Firm Hold
Assembly Selling the bicycle 5.3.3.2 Firm hold 1 Place your entire body weight on the Complete bike pass on the cover of the handlebars with the quick release lever closed instructions. to check that the stem is firmly in place. ... -
Page 32: Operation
Operation Operation Risks and hazards CAUTION WARNING Crash caused by poor road conditions Injuries and death caused by other road users Loose objects, such as branches and twigs, may become caught in the wheels and cause a crash Other road users such as buses, trucks, cars or with injuries. -
Page 33: Personal Protective Equipment
Operation Notice Heat or direct sunlight can cause the tyre pressure to increase above the permitted maximum pressure. This can destroy the tyres. Never park the bicycle in the sun. On hot days, regularly check the tyre pressure and adjust it as necessary. -
Page 34: Instruction And Customer Service
Operation Instruction and customer service Your supplying specialist dealer will provide Adjust the saddle tilt to horizontal. customer service. Contact details can be found on the bike pass for these instructions. The specialist dealer will explain all the bicycle functions to you in person, this being when the specialist dealer hands over the bicycle at the latest. -
Page 35: Adjusting The Seat Height With Quick Release
Operation 6.4.1.3 Adjusting the seat height with quick 6.4.1.4 Adjusting the seat position release The saddle can be shifted on the saddle frame. 1 Open the quick release on the seat post to The right horizontal position ensures an optimal change the seat height (1). -
Page 36: Adjusting The Handlebars
Operation 6.4.2 Adjusting the handlebars CAUTION Crash caused by incorrectly set clamping force Excessively high clamping force will damage the quick release and cause it to lose its function. Insufficient clamping force will result in unfavourable transmission of force. This can cause components to break. -
Page 37: Retracting The Brake Linings
Operation 6.4.5 Retracting the brake linings 6.4.5.2 Setting the grip distance on a Magura HS22 brake lever Disc brakes require wearing-in time. The braking Only applies to bicycles with this equipment force increases over time. You therefore need to be aware that the braking force may increase during the You can adjust the brake lever position (grip wearing-in period. -
Page 38: Magura Disc Brake Lever
Operation 6.4.5.3 Setting the grip distance on a 6.4.5.4 Setting the pressure point on a Magura disc brake lever Magura brake lever Only applies to bicycles with this equipment WARNING WARNING Brake failure due to incorrect setting If the pressure point is set with brakes where the Crash caused by incorrectly set grip distance brake linings and brake disc have reached their If brake cylinders are set incorrectly or installed... -
Page 39: Adjusting The Damping Sag
Operation 6.4.6 Adjusting the damping sag Greater sag (20% to 30%) A greater sag increases sensitivity to bumps, thus CAUTION producing greater suspension motion. A greater sensitivity to bumps ensures more comfortable Crash caused by incorrectly set suspension ride performance and is used on bicycles with a If the suspension is set incorrectly, the fork may longer deflection. -
Page 40: Adjusting The Suntour Fork Steel
Operation 6.4.6.1 Adjusting the Suntour fork steel 6.4.6.2 Adjusting the Suntour fork air suspension suspension Only applies to bicycles with this equipment Only applies to bicycles with this equipment The air valve is located beneath the air valve 1 You will find the sag setting wheel beneath the plastic cover on the crown. -
Page 41: Adjusting The Suntour Rear Frame
Operation 3 Detach high-pressure damper pump. 6.4.6.3 Adjusting the Suntour rear frame damper 4 Measure the distance between the crown and Only applies to bicycles with this equipment the dust seal. This distance is total deflection of the fork. Notice 5 Push a temporarily attached cable tie If the air pressure in the rear frame damper is downward against the dust seal. -
Page 42: Adjusting The Rockshox Fork Steel
Operation 6.4.6.4 Adjusting the RockShox fork steel 6.4.6.5 Adjusting the RockShox air suspension suspension Only applies to bicycles with this equipment Only applies to bicycles with this equipment The external spring preload setting compresses or When adjusting the sag, ensure that all dampers are in the open position, i.e. -
Page 43: Adjusting The Rockshox Rear Frame
Operation 6 Put on your normal cycling clothing, including 6.4.6.6 Adjusting the RockShox rear frame luggage. Ask someone to hold the bicycle. damper Stand on the pedals while wearing cycling Only applies to bicycles with this equipment clothing. Allow the damper to deflect three times. - Page 44 Operation 9 Ask your helper to push the O-ring against the wiper seal. Figure 60: Moving the O-ring on the rear frame damper 10 Read the sag value on the scale. The optimum sag percentage is 25%. The sag level may be adjusted by ± 5%, depending on the rider's preferences (20% to 30%).
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Page 45: Adjusting The Rebound Damping
Operation 6.4.7 Adjusting the rebound damping Rebound damping in the suspension fork and the If the air pressure or spring stiffness increases, rear frame damper determines the speed at which the extension and rebound speeds also increase. the rear frame damper rebounds after being Rebound damping may need to be increased to subjected to load. -
Page 46: Adjusting The Suntour Air Suspension
Operation 6.4.7.1 Adjusting the Suntour air suspension 6.4.7.2 Adjusting the Suntour rear frame fork damper Only applies to bicycles with this equipment Only applies to bicycles with this equipment 1 Turn the Suntour rebound screw in a clockwise direction to the closed position until it stops. -
Page 47: Adjusting The Rockshox Suspension
Operation 6.4.7.3 Adjusting the RockShox suspension 6.4.7.4 Adjusting the RockShox rear frame fork damper Only applies to bicycles with this equipment Only applies to bicycles with this equipment The rebound damper defines the speed at which the rear frame damper rebounds after being subjected to load or impact. -
Page 48: Rear Frame Damper Compression
Operation 6.4.8 Rear frame damper compression adjuster The compression adjuster controls the When optimally adjusted, the rear frame damper compression lifting speed or the rate at which the counteracts deflection, stays higher in its rear frame damper deflects in response to slow deflection range and helps the rider to maintain impacts. -
Page 49: Adjusting The Suntour Rear Frame
Operation 6.4.8.1 Adjusting the Suntour rear frame 6.4.8.2 Adjusting the RockShox compression damper adjuster Only applies to bicycles with this equipment Only applies to bicycles with this equipment 1 Set the compression adjuster to the middle position. 2 Ride the bicycle over a small obstacle. ... -
Page 50: Accessories
Operation Accessories CAUTION We recommend a parking stand into which either Risk of crushing due to exposed springs the front wheel or rear wheel can be inserted securely for bicycles which do not have a The child may crush his/her fingers on exposed kickstand. -
Page 51: Trailer
Operation 6.5.2 Trailer 6.5.2.1 Trailer approval for ENVIOLO hub gear Only compatible bicycle trailers are approved for CAUTION ENVIOLO hub gears. Crash caused by brake failure KETTLER The braking distance may be longer if the trailer KETTLER QUADRIGA child trailer is carrying excessive load. -
Page 52: Pannier Rack
Operation 6.5.3 Pannier rack The specialist dealer will advise on choosing a suitable pannier rack. The specialist dealer must install the pannier rack the first time to ensure that it is safely fitted. When installing a pannier rack, the specialist dealer makes sure that the fastening mechanism is suitable for the bicycle and that all components are installed and firmly fastened. -
Page 53: Before Each Ride
Operation Before each ride Check the bicycle before each ride. Take the bicycle out of service if you spot any anomalies. Check that the bicycle is complete. Check that the lighting, reflector and brake, for instance, are sufficiently clean. -
Page 54: Raising The Kickstand
Operation Raising the kickstand Distribute the baggage as evenly as possible between the left- and right-hand side. Use your foot to raise the kickstand completely We recommend the use of panniers and before setting off. baggage baskets. Using the pannier rack The maximum load bearing capacity is indicated on the pannier rack. -
Page 55: Brake
Operation 6.10 Brake 6.10.1 Using the brake lever WARNING If the brakes are applied continuously for a long time (e.g. while riding downhill for a long time), the fluid in the brake system may heat up. This may create a vapour bubble. This will cause air bubbles or any water contained in the brake system to expand. -
Page 56: Suspension And Damping
Operation 6.11 Suspension and damping 6.11.1 Suspension fork compression adjuster The compression adjuster makes it possible to during transitions, cornering, uniform impacts make quick adjustments to the fork’s suspension caused by bumps and when braking. behaviour to adapt to changes in terrain. It is When optimally adjusted, the fork counteracts intended for adjustments made during the ride. -
Page 57: Adjusting The Suntour Compression Adjuster
Operation compression Threshold 6.11.1.1 Adjusting the Suntour adjuster The damping threshold prevents deflection until a medium impact or downward force occurs. Only applies to bicycles with this equipment Threshold mode increases drive efficiency over level terrain. The threshold setting can be used to improve pedalling efficiency over flat, hilly, level or slightly rugged terrain. -
Page 58: Adjusting The Rockshox Compression Adjuster
Operation 6.11.1.2 Adjusting the RockShox compression 6.11.1.3 Adjusting the RockShox rear frame adjuster damper threshold Only applies to bicycles with this equipment Only applies to bicycles with this equipment Turn the compression adjustment ring Turn the threshold lever to the threshold clockwise to increase damping in the position (2) to switch on the threshold function. -
Page 59: Gear Shift
Operation 6.12 Gear shift 6.12.2 Using a hub gear Only applies to bicycles with this equipment The selection of the appropriate gear is a prerequisite for a physically comfortable ride and CAUTION making sure that the electric drive system Crash caused by incorrect use functions properly. - Page 60 Operation Figure 82: Example: use of Shimano Nexus gear shift Turn the twist grip (1) backwards to switch up a gear (4). Turn the twist grip (1) forwards to switch down a gear (2). The gear shift switches the gear. ...
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Page 61: Parking The Bicycle
Operation 6.13 Parking the bicycle Notice Heat or direct sunlight can cause the tyre pressure to increase above the permitted maximum pressure. This can destroy the tyres. Never park the bicycle in the sun. On hot days, regularly check the tyre pressure and adjust it as necessary. -
Page 62: Cleaning And Servicing
Cleaning and servicing Cleaning and servicing Cleaning check list WARNING Clean the pedals after each ride Crash caused by brake failure Clean the suspension fork and, if after each ride necessary, rear frame damper Oil or lubricant on the brake disc in a disc brake or on the rim of a rim brake can cause the brake ... -
Page 63: Cleaning After Each Ride
Cleaning and servicing Cleaning after each ride Basic cleaning Required tools and cleaning agents: Required tools and cleaning agents: • Cloth • Cloths • Air pump • Sponge • Brush • Air pump • Water • Brush • Dish-washing liquid •... -
Page 64: Cleaning The Drive Elements
Cleaning and servicing 7.2.4 Cleaning the drive elements 7.2.7 Cleaning the brake 1 Spray the cassette, the chain wheels and the WARNING front derailleur with a degreasing agent. 2 Clean coarse dirt with a brush after soaking for Brake failure due to water penetration a short time. -
Page 65: Servicing
Cleaning and servicing Servicing Maintenance The following maintenance measures must be Required tools and cleaning agents: performed on a regular basis. • Cloths 7.4.1 Wheel • Toothbrushes • Dish-washing liquid • Care oil for frames WARNING • Silicone or Teflon oil •... -
Page 66: Checking And Adjusting The Tyre
Cleaning and servicing 7.4.1.3 Checking and adjusting the tyre Presta valve pressure Only applies to bicycles with this equipment It is recommendable to use Notice a bicycle pump with a If the tyre pressure is too low in the tyre, the tyre pressure gauge. -
Page 67: Brake System
Cleaning and servicing 7.4.4 Checking the pressure point 7.4.2 Brake system Pull brake lever and hold repeatedly several CAUTION times. If you are unable to clearly detect the pressure Crash caused by brake failure point and it changes, the brake needs to be Worn brake discs and brake linings, as well as a bled. -
Page 68: Checking The Belt And Chain Tension
Cleaning and servicing 7.4.9 Checking the belt and chain tension Notice Excessive chain tension increases wear. If the chain tension is too low, there is a risk that the chain or the drive belt will slip off the chain wheels. ... -
Page 69: Maintenance
About these operating instructions Maintenance You must have the specialist dealer perform WARNING maintenance every six months as a minimum. This is the only way to ensure that the bicycle Injury due to damaged brakes remains safe and fully functional. No matter whether disc brakes need replacing, brakes Special tools and specialist knowledge are venting or wheels changing, many maintenance... -
Page 70: Suspension System
About these operating instructions Suspension system WARNING The correct execution of maintenance on the Intoxication from suspension oil suspension system not only guarantees a long service life, but also ensures optimal Suspension oil is toxic to the touch, irritates performance. Each maintenance interval shows respiratory tracts and causes cancer, sterility and the maximum cycling hours for the corresponding mutation in germ cells. -
Page 71: Suspension Fork
About these operating instructions 8.1.2 Suspension fork WARNING Only applies to bicycles with this equipment Injury due to explosion Maintenance intervals The air chamber is pressurised. If the air system is serviced in a faulty suspension fork, it can explode Suntour suspension fork and cause serious injury. -
Page 72: Suspension Seat Post
About these operating instructions 8.1.3 Suspension seat post Axle with quick release Only applies to bicycles with this equipment CAUTION Maintenance intervals Crash caused by unfastened quick release by.schulz seat post Check all screws for correct tightening A faulty or incorrectly installed quick release may After 250 km and ... -
Page 73: Checking The Quick Release
About these operating instructions 8.2.1 Checking the quick release Maintaining the stem Check the position and clamping force of the Incorrectly fastened screws may come loose due quick release lever. The quick release lever to impact. The stem may no longer be firmly fixed must be flush with the lower housing. -
Page 74: Cable-Operated Gear Shift, Dual-Cable
About these operating instructions 8.4.2 Cable-operated gear shift, 8.4.3 Cable-operated twist grip, dual-cable dual-cable Only applies to bicycles with this equipment Only applies to bicycles with this equipment For a smooth gear shift, set the adjusting For a smooth gear shift, set the adjusting sleeves underneath the chain stay on the sleeves on the shifter housing. -
Page 75: Troubleshooting, Fault Clearance
Troubleshooting, fault clearance and repair Troubleshooting, fault clearance and repair Lighting Symptom Cause Remedy The front light or rear light Take bicycle out of service immediately. The standard setting may not have does not go on, even been configured correctly. The light is Contact your specialist dealer. -
Page 76: Suspension Fork
Troubleshooting, fault clearance and repair Suspension fork 9.3.1 Rebound too fast The suspension fork rebounds too quickly, Fork head and handlebars are deflected upwards producing a “pogo stick” effect, where the wheel if the wheel bounces back from the ground. The lifts from the ground in an uncontrolled way. -
Page 77: Rebounding Too Slowly
Troubleshooting, fault clearance and repair 9.3.2 Rebounding too slowly The fork does not rebound quickly enough after The fork remains in a deflected state, causing the absorbing a bump. The fork also remains headset and handlebars to move to a lower deflected over subsequent bumps, which reduces position. -
Page 78: Suspension Too Soft On Inclines
Troubleshooting, fault clearance and repair 9.3.3 Suspension too soft on inclines The fork deflects at a low point in the terrain. The may shift forward and the bicycle possibly lose deflection is quickly used up, the rider's weight some momentum. Figure 93: Excessively soft suspension in the suspension fork on hilly terrain Solution ... -
Page 79: Excessively Hard Damping On Bumps
Troubleshooting, fault clearance and repair 9.3.4 Excessively hard damping on bumps When the bike hits a bump, the fork deflects too The headset and handlebars are deflected slowly and the wheel lifts up from the bump. upwards significantly, which can impair control. Traction decreases when the wheel no longer touches the ground. -
Page 80: Rear Frame Damper
Troubleshooting, fault clearance and repair Rear frame damper 9.4.1 Rebound too fast The rear frame damper rebounds too quickly, Saddle and handlebars are deflected upwards producing a “pogo stick” effect or causing the bike when the wheel bounces back from the ground. to bounce after the wheel hits a bump and lands The rider's weight may be shifted upwards and on the ground again. -
Page 81: Rebounding Too Slowly
Troubleshooting, fault clearance and repair 9.4.2 Rebounding too slowly The rear frame damper does not rebound quickly The rear frame damper remains in a deflected enough after a bump has been compensated and state after contact with the first bump. When the is not in the required initial position when the rear wheel hits the second bump, the saddle wheel hits the next bump. -
Page 82: Suspension Too Soft On Inclines
Troubleshooting, fault clearance and repair 9.4.3 Suspension too soft on inclines The rear frame damper deflects deeply through up, the rider's weight may shift downward and the the deflection range The deflection is quickly used bicycle may lose some momentum. Figure 101: Excessively soft suspension in the rear frame damper on hilly terrain Solution ... -
Page 83: Excessively Hard Damping On Bumps
Troubleshooting, fault clearance and repair 9.4.4 Excessively hard damping on bumps When the bike hits a bump, the damper deflects Saddle and rider are deflected upwards and too slowly and the rear wheel lifts up from the forwards, the rear wheel loses contact with the bump. -
Page 84: Repair
Troubleshooting, fault clearance and repair Repair 9.5.4 Tyre clearance check The tyre needs to be checked each time a Special knowledge and tools are required for suspension fork tyre is changed to another size. many repairs. That is why only a specialist dealer may perform repairs such as: 1 Release pressure from the fork. -
Page 85: Recycling And Disposal
Recycling and disposal Recycling and disposal It is forbidden to dispose of batteries in domestic waste. The bicycle is made of recyclable materials, which you must dispose of and recycle separately from the domestic waste in compliance with applicable statutory regulations. Separate collection and recycling saves raw materials and ensures that all the regulations for protection of health and the environment are met when... -
Page 86: Documents
Documents 11.1 Assembly report Date: Frame number: Components Description Criteria Measures if rejected Accept- Assembly/inspection Tests Rejection ance Front wheel Assembly O.K. Loose Adjust quick release Kickstand Check mount fastening Functional check O.K. Loose Retighten screws Tyre pressure too low/ Tyres Tyre pressure check O.K. - Page 87 Components Description Criteria Measures if rejected Drive/gear shift Chain/cassette/ Refasten if necessary or replace Check for damage O.K. Damage pinion/chainring as specified in parts list Chain guard/spoke Check for damage O.K. Damage Replace as specified in parts list guard Bottom bracket axle/ Check mount fastening O.K.
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Page 88: Maintenance Instructions
11.2 Maintenance instructions Diagnosis and documentation of current status Date: Frame number: Components Frequency Description Criteria Measures if rejected Inspection Tests Maintenance Accept- Rejection ance Front wheel 6 months Assembly O.K. Loose Adjust quick release Kickstand 6 months Check mount fastening Functional check O.K. - Page 89 Components Frequency Description Criteria Measures if rejected Inspection Tests Maintenance Accept- Rejection ance Light system Connections, correct O.K. Cable defective, New cabling Light cabling 6 months wiring no light Side light Functional check O.K. No constant light New rear light as specified in Rear light 6 months parts list;...
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Page 90: Glossary
Glossary Glossary Bicycle for young adults Fault Source: ISO 4210-2: bicycle designed for use on Source: EN 13306:2018-02, 6.1: state of an item public roads by a young adult whose weight is less (4.2.1) characterized by inability to perform a than 40 kg, with maximum saddle height of required function (4.5.1), excluding the inability 635 mm or more and less than 750 mm. - Page 91 Glossary Maximum permitted total weight Negative deflection Source: EN 15194:2017: weight of the fully Negative deflection or sag is fork compression assembled bicycle plus the rider and baggage, as caused by the weight of the rider and their gear specified by the manufacturer. (e.g.
- Page 92 Glossary Slippage Work environment Source: DIN 75204-1:1992-05: the difference in Source: ISO 9000:2015: set of conditions under relation to vehicle speed between the vehicle which work is performed. speed and the speed of its wheels at their Year of manufacture circumference.
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Page 93: Keyword Index
Keyword index Keyword index Stem, Gear shift twist grip, 20 Air chamber, 15 – care, 64 Articulated shaft, - checking, 66 - check 29, 66 – care 64 Gear shift, - cleaning, 62 - check 66 Suspension fork, - maintaining, 66 - cleaning, 62 Back-pedal brake, - switching, 58, 60...
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