I Void Warranties : Hacking The Bafang Ultra Max Mid-Drive Ebike Drive

There is half a dozen low power torque sensing mid drives on the market right now that advertise themselves as being between 250 and 750 Watts. The one thing that all these ‘low power’ drive units have in common is that there is absolutely no way to program the drive unit to do anything much…

A Hacker’s Guide To Programming The BBS02 & BBSHD

One way that the BBS02 middrive unit shines over other competition like the Bosch is the ability to program the controller yourself. Although the process of programming the controller will void any warranty that you got with the unit, to many people the risk of voiding their warranty is outweighed by the possibility of getting…