From PSWPower
Bafang BBS01B/BBS02B Pawl Clutch/pedal freewheel for replacement
When your pedals do not work and spin around freely, but your throttle works normally, your clutch is blown.replace pawl clutch/pedal freewhell can solve the problem, but this one can not fits BBSHD motor.
if you buy wrong item, we can not accept return parcel
Packing list:
1pcs BBS01B/BBS02B Pawl Clutch