Bafang Bbs01b/02b Drive TrainBafang BBS01B BBS02B mid axle assembly large steel reduction gear, 8fun mid crank motor kit steel redunction gear set for replacement. The magnet disc held by a circlip is included with the gear set. The axle(68mm) is also included. It would be better to coat some grease when replacing the clutch.

Light shifting effort

resulting in a race ready chain in seconds

Over 768Wh capacity for a longer distance

8V Maximum charging output (suitable for 52 volt lithium batteries only)

Efficient pulley teeth design

Locks Bike To Carrier: Yes

(Not difficult)

900 grams 80cm

Cog Finish (cassette) - Black

For more than twenty years Tubus have handmade bicycle carriers from high strength steel tube

Giving riders choice

30mm of rise will get you there