MJM MT21, User Manual

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3
Maintaining your ebike
Our ebikes just like all bikes require regular maintenance for optimal
performance. Regularly cleaning the bike will reduce any potential
wear over the years.
Lubricating the chain, derailleur, and sprocket will keep your bike running
smooth, reduce wear, and minimize risk of greater problems over time.
We recommend using a chain lube made specifically for bikes. Apply every
100km to keep your bike running smoothly.
Inspect the spokes to ensure they are tight. With the extra stress the motor
puts on the rear wheel it is important to regularly check for any loose spokes.
If some seem more loose than others use a spoke wrench to tighten them
to be the same tension as the others.
Inspect your bike on a regular basis for wear or any potential issues that can arise.
If you are not comfortable working on your bike we recommend bringing your
bike to an MJM location or to a trained bicycle mechanic to work on your bike.