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Urban Trail Bicycles

Indianapolis, Indiana, United States​

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Best Practices


Pre-Ride Checklist

  1. Ensure all fasteners are secure and torqued correctly based on the instructions in the owner’s manual.  Look for anything that appears unusual or missing.
  2. Ensure your battery is fully charged.
  3. Check to see that all electrical connectors that are externally visible are securely connected.
  4. Check the tire pressure with an air pressure gauge and inspect tires for damage.  Make sure tires are properly inflated.
  5. Ensure the throttle is not applied or bound before turning on the bike.
  6. Ensure battery pack is in the locked position with the key switch lock.
  7. Locate seat at a comfortable and safe height so that you can put a foot down to stop safely. 

Battery Care & Charging

The Ninja battery should be recharged after each and every use. The charger automatically stops when charging is complete. You can check the level of charge using the LCD display battery meter or the small LED meter on the side of the battery pack closest to the charging port.

Riding Off-Road and In Wet Weather

We do not recommend riding the bike in conditions that exceed your or the bike’s ability. Riding in extreme terrain is not recommended and in some cases can void your warranty. You should never exceed 350 watts of power in loose off road terrain otherwise, you risk damaging the hub motor from overheating or overloading to the electronic system. Wet weather impairs traction and visibility for the cyclist and vehicles sharing the road. The stopping power of the brakes, traction of tires and grip of the rider's feet on the pedals are all lessened in wet weather. If your feet slip off the pedals, tires lose traction, or the brakes cannot stop you appropriately it could lead to a fall.

Riding in Hilly Terrain

In hilly terrain, it is recommended that users always pedal to assist the bike in climbing up hills. On steep hills, you should never exceed 350 watts of power. This can be accomplished by riding with the twist throttle only partially applied. While regulating the throttle, watch the watt meter on the display and ensure that you regulate the power output. Never ride up hills which exceed a 15 percent (%) slope with the motor fully engaged. 

Steep Hills and Hub Motors

The Ninja Electric Bike uses a high torque brushless hub motor with an internal planetary gear system which provides efficient performance for many types of riding conditions. Hub motors are designed to provide years of trouble free use, however, if not taken care of, they can be damaged by overloading. Be sure to pedal with your Ninja Electric Bike when climbing steep hills and ensure the wattage/power consumption is kept below 350 watts.

Wheels and Tires

There are some important best practices to follow to ensure long life and safe operation of your fat bike wheels and tires. Electric bikes travel at higher speeds on average compared to regular pedal-only bikes, and they are also heavier in comparison; because of this, users must take care to never abuse the Ninja Electric Bike wheelset.

  • Avoid traveling over terrain which can damage the tires or wheels.
  • Ensure tire pressure is adequate to avoid pinch flats and damage from low pressure.
  • Check tire pressure regularly to ensure proper tire pressure (Ninja Electric Bikes recommends 20-25 PSI for the Ninja Electric Bike) before riding.

Using the Brakes

Check disk brake pads regularly and ensure they are properly adjusted and are not worn out. Always ensure both front and rear brakes are operating properly before riding, never ride with a single brake. Always apply both brakes evenly when slowing.

Maximum Payload for Ninja Electric Bike 

The total maximum weight limit of the Ninja (275 Lbs) includes the weight of the rider. The kickstand is not designed to be used for loading cargo.  Total payload: 275 lbs

Carrying Children, Other Passengers, and Gear 

The use of certified and approved child seating and equipment are required whenever carrying children.  Follow the stated weight limits in the section above, do not overload the Ninja Electric Bike. The Ninja Electric Bike should never be operated by persons under the age of 16 years old.


  • Cleaning: Pressure washers or hosing down of the Ninja Electric Bike voids the warranty. The Ninja Electric Bike should only be cleaned with a moist rag and non-corrosive biodegradable cleaners.
  • Yearly maintenance checks: Your Ninja Electric Bike should be given a full tune-up by a professional bicycle mechanic on a yearly basis.
  • Brake pads: Electric bikes travel at higher speeds and have more momentum because of the weight of the powered components, for this reason, brake pads normally wear down faster than a traditional non-powered bike. Users must check brake pads regularly and replace whenever worn.
  • Tire Pressure: Ninja Electric Bikes recommends 20-25 PSI for the Ninja Electric Bike.

Getting Help

This best practices guide is not intended as a comprehensive use, service/repair, or maintenance manual. Please visit your local bicycle repair shops for all service, repairs or maintenance. Certified local bike shops may also be able to refer you to classes, clinics, or literature on bicycling, service/repair or maintenance. Please also reach out to Urban Trail Bicycles at any time with any questions that arise from your purchase and use of this product.

Staying Updated

Be sure to regularly check the official Urban Trail Bicycles website to ensure you have the most updated owner’s manual and instructional materials. The latest version of the manual can be found on the store page and is available for immediate download.


Fat Tire Owners Manual
Ninja Bicycle Owners Manual (1).pdf
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Urban Trail LLC Warranty Info
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Urban Trail LLC Rebate Info
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Urban Trail LLC Terms & Conditions
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Urban Trail LLC Privacy Policy
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Urban Trail Bicycles is a specialty E Bike Dealer & we offer all ranges of electric bicycles for sale. Our bike shop offers a range of electric mountain bikes, electric folding bikes, electric hybrid bikes, e bike accessories, and bicycle parts online.
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