Mechanical issues

Introduction Efficient speed control is crucial for a comfortable and enjoyable e-bike riding experience. This article presents an innovative solution for speed control through an ergonomically de...

See also Torque arms and front fork stress due to hub motor Carbon front fork for hub motors Carbon forks are not suitable for direct mounting of hub motors. That's why I want to have strong...

Intro Bicycle speed measurement is generally done with a spoke magnet and a reed relay sensor. If this is done on the rear wheel, there is a large spacing between the spoke magnet and the chain st...

Featherweight bicycle rear carrier To reduce weight, I have built a featherweight bicycle rear carrier. The weight, without the 4 frame mounting bolts, is just 140g. The usable area is 370mm x 1...

Electric bicycles should turn off the motor during braking. Therefore, I have invented a method to build a switch into a brake lever; the brake lever doesn't have to be replaced and no external swi...

Read the new article: First custom carbon fork special made for hub motors Is a carbon fork strong enough for a hub motor? My e-bike has a carbon front fork at which the hub motor will be mo...