Choosing motor power is one of the most confusing parts of buying an e-bike. Some riders are told they need 1000W. Others are told 350W is enough. The truth is that the right power depends on your ...

The use of a dyno to measure horsepower and torque is a valuable tool for the racer. If you use the dyno just to see what kind of torque and horsepower numbers your engine is developing, that may be ...