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VTUVIA SK20 Manual
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VTUVIA SK20 Manual

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Summary of Contents for VTUVIA SK20

  • Page 1 SK20...

  • Page 3: Table Of Contents

    Table of Contents About Manua ................................1 Basic information ................................2 Assembly Instructions ..............................5 Operation...................................14 Battery Charging ...............................19 Maintenance................................23 Troubleshooting.................................27 Warnings and Safety..............................29 Limited Warranty ...............................33...

  • Page 5: About Manua

    This manual contains details of the product and information on its operation and maintenance. Read it carefully and familiarize yourself with the VTUVIA bike before using it to ensure safe use and prevent tragic accidents. Be sure to retain this manual as your convenient VTUVIA bike information source.

  • Page 6: Basic Information

    Basic Information Motor: 48V 750W Rear brushless Battery: 48V 13AH Li-ion Battery Controller: 48V 25A Intelligent brushless PAS: 1:1 Intelligent pedal assistant system Range: 22 miles(electric only),35 miles(pedal assistant) Charging Time: AC 100V-240V 2A smart charger,5-6 hours Rear Derailleur: Shimano front 1 and rear 7 outer Frame: 6061 Aluminium alloy folding Pedals:...
  • Page 7 Rear Brake: Logan disc brake Stud: Aluminium alloy Diaplay: Light: LED headlight & tail light Chain: Chain Wheel: Aluminium alloy crank Seat Post: Aluminium alloy Shelves: Rear rack iron Colour: Black,White,Red Modes: Pedal mode,power assist mode,full electric mode Max Speed: 23-28 MPH Max Load: 300 lbs...
  • Page 8 Basic Structure Frame Saddle Battery Fork Spoke Valve Motor Pedal Rear Derailleur - 4 -...

  • Page 9: Assembly Instructions

    Ensure the following pieces are included in the package. If there are any missing parts please contact VTUVIA Bikes for help replacing missing pieces. Please also ensure you have received the correct frame size before assembling the bike.
  • Page 10 Step 2 : Open the tool box ii the package twist off the nut get out a little spring insert the centre axle adjust the wheel lock off the quick release finish installation - 6 -...
  • Page 11 Step 3 : Folding stem assembly schematic 1.Unscrew the 3.Insert the 4.Insert the 5.Fold the 2.Remove the sunflower screw. Riser assembly. riser to complete. riser down. sunflower screw. 9.Fold the riser 10.Tighten the 2 7.Install the 6.Fold the riser 8.Tighten the back into position.
  • Page 12 Step 4 : Install the pedals. The left and right pedals are marked on both ends. First, install the right pedal by tightening the pedal in clockwise direction. The left pedal is tightened by turning the pedal in counterclockwise direction. Step 5: Install the headlight.
  • Page 13 Step 6 : Adjust the saddle height. Loosen the seat clamp, insert the seat post into the slot, adjust the saddle height to a suitable height and tighten the adjustment nut. When you feel resistance, close the seat tube clamp fully. Make sure to stay within the marked adjustment range. Do not raise the seat post beyond the minimum insertion marking etched into the seat post tube.
  • Page 14 Step 8: Check the battery pack is locked into the frame of the bike. When you want to take off the battery, insert the key and turn to release the battery pack. The battery pack can be removed and charged separately. Align the battery pack to the battery holder carefully and push until when you hear it click into the place.
  • Page 15 Step 9: Folding & unfolding the frame To unfold the frame, unfold the rear wheel/section and keep your bike upright with the kickstand. While holding the latch lock up, push the latch closed. Make sure the hook end of the latch is secure and let the latch lock turn down into the latch to lock everything in place.
  • Page 16 Display Features - 12 -...
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  • Page 20: Operation

    You may also use the throttle to accelerate and maintain your desired speed. Driving Range The range of your VTUVIA Bike is the distance the bike will travel on a single full charge of the onboard battery pack.The range values in this manual are estimates based on expected usage characteristics.
  • Page 21 We suggest that you select a lower assistance level when you first get your VTUVIA Bike to get to know your bike and travel routes. Once you become familiar with the range requirements of your travel routes, and the capabilities of your VTUVIA Bike you can then adjust you riding characteristics if you so desire.
  • Page 22 Do not park, store, or transport your VTUVIA Bike on a rack that is not designed for the size and weight of the bike.
  • Page 23 MAXIMUM PAYLOAD FOR WTVA BIKE The total maximum weight limit of the VTUVIA Bike(150 Kilograms) includes the weight of the rider as well as clothing, riding gear, cargo, etc. The kickstand is not designed to be used for loading cargo. You MUST hold onto the bike whenever loading cargo.
  • Page 24 • Cargo should be loaded as low as possible to lower the center of gravity and improve stability, but ensure that cargo does not interfere with any moving components or the ground. • Ensure your loads are properly secured and periodically check that nothing loosens. •...

  • Page 25: Battery Charging

    Always charge your battery in temperatures between 10 and 26 degrees Celsius and ensure the battery and charger are not damaged before initiating charge. If you notice anything unusual while charging, please discontinue chargingand use of the bike and contact VTUVIA Bike for help. Basic Battery Charging Tips The battery should be recharged after each use.
  • Page 26 o The charger will automatically stop when the battery pack is full o Always charge in dry locations and indoors away from direct sunlight, dirt or debris. o Do not cover up the charger when plugged in or charging, it air cools and needs to be left in a clear space.
  • Page 27 Do not charge the battery with any other chargers then what was originally supplied with your VTUVIA Bike or a charger purchased directly from VTUVIA Bikes for use with your specific bike serial number, as approved by VTUVIA Bikes.
  • Page 28 ！！Please take special care in charging of your VTUVIA Bike in accordance with the above procedures and safety information. Failure to follow proper charging procedures can result in damage to your VTUVIA Bike, charger, personal property and/or serious injury or death.

  • Page 29: Maintenance

    Maintenance Bicycle Care To ensure safe riding conditions you must ensure your bike is properly maintained. You should follow these basic guidelines and see your certified bicycle mechanic at regular intervals to ensure your bike is safe for use. 1. Properly maintain batteries by keeping them fully charged when not in use. 2.
  • Page 30 Therefore, always have a certified bicycle mechanic perform a tune-up on your VTUVIA Bike after your initial break-in period of 80- 160 km (depending on total weight, riding characteristics and terrain). Regular inspections and tune-ups are particularly important for ensuring that your bicycle remains safe and problem-free.
  • Page 31 Wheels and Tires o Ensure tires are inflated to within the recommended limits displayed on the tire sidewalls. o Ensure tires have tread and have no BULGES OR EXCESSIVE WEAR. o Ensure rims run true and have no obvious wobbles or kinks. o Ensure all wheel spokes are tight and not broken.
  • Page 32 Motor Drive o Ensure hub motor is spinning smoothly and the motor bearings are in good Assembly working order. and Throttle o Ensure all power cables running to hub motor are secured and undamaged. o Make sure the hub motor axle bolts are secured and all torque arms and torque washers are in place.

  • Page 33: Troubleshooting

    Basic Troubleshooting Symptoms Possible Causes Most Common Solutions It doesn’t work 1. Insufficient battery power 1. Charge the battery pack 2. Faulty connections 2. Clean and repair connectors 3. Battery not fully seated in tray 3. Install battery correctly 4. Improper turn on sequence 4.
  • Page 34 Reduced range 1. Low tire pressure 1. Adjust tire pressure 2. Low or faulty battery 2. Check connections or charge 3. Driving with too many hills, battery headwind, braking, and/or 3. Assist with pedals or adjust route excessive load 4. Replace the battery 4.

  • Page 35: Warnings And Safety

    Warnings and Safety General Warnings Like any sport bicycling involves risk of injury and damage. By choosing to ride a bicycle, you assume the responsibility for that risk, so you need to know, and practice the rules of safe and responsible riding and the proper use and maintenance of this bicycle.
  • Page 36 Ensure handle bar grips are not damaged and properly installed. Loose or damaged grips can cause you to lose control and fall. o Do not use this product with standard bicycle trailers, stands or bicycle racks. Contact VTUVIA Bikes to check if your equipment will work with the bicycle.
  • Page 37 o Engaging in extreme riding is extremely dangerous and should be avoided. Although many articles/ advertisements/catalogues depict extreme riding this is not recommended nor permitted and you can be seriously injured or killed if you perform extreme riding. o Bicycles and bicycle parts have strength and integrity limitations and extreme riding should not be performed or you risk damaging the components or becoming seriously injured or killed.
  • Page 38 Any aftermarket changes to your VTUVIA Bike not expressly approved by VTUVIA Bikes could void the warranty and create an unsafe riding experience. o Because electric bicycles are heavier and faster than normal bicycles, they require extra caution and care while riding.
  • Page 39 Warranty Info Every bike is covered under a manufacturer's one-year all-inclusive warranty for the original owner against all manufacturing defects. VTUVIA Bike warrants this product, including all individual components against defects in material or workmanship as follows: VTUVIA Bike LIMITED 1 YEAR WARRANTY VTUVIA Bike’s bicycle components including frame, forks, stem, handlebar, headset, seat post, saddle,...
  • Page 40 • Damage arising from the use of the bike in a competition or other applications outside of normal intended use. • Damage arising by improper tools or inadequate maintenance performed on the bike. • Damage resulting from adding non-standard equipment, parts or technical modifications. - 36 -...
  • Page 41 This warranty does not include consumables or normal wear and tear parts (tires, tubes, brake pads, cables and housing, grips). VTUVIA Bike will not be liable and/or responsible for any damage, failure or loss caused by any unauthorized service or use of unauthorized parts. In no event shall VTUVIA Bike be responsible for...
  • Page 42 Components of the VTUVIA bike are subject to higher wear when compared to bicycles without power assistance. This is because the VTUVIA bike can travel at higher average speeds than regular cycles and has a greater weight. Higher wear is not a defect in the product and is not subject to warranty. Typical components affected are the tires, brake pads, suspension forks, spokes/wheels and battery pack.