Speed first. Part second. Maker if you already know the name.
2 kits · Disk drive
Bimotal Elevate
Bimotal · 20 mph
Maker list
Skarper
Skarper · 25 km/h
Bimotal
US disk drive. It mounts at the rear brake and drives the rotor, so the wheel and the bottom bracket stay stock.
750 WDisk drive20 mph
British disk drive. The motor sits on the chainstay and drives the rear disc, not the tyre and not the bottom bracket. 250 W, about 240 Wh.
250 WDisk drive25 km/h
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