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(edit with Customer reassurance module)
(edit with Customer reassurance module)
Description
Bafang BBS01/01B BBS02/02B standard 68mm BB main shaft with big pinion gear assembly spare part replacement.
This main shaft and steel gear replacement part is for BBS only, will not work with the BBSHD.
Also known as the BBS secondary reduction gear.
This assembly part is including:1.Main shaft,2.Big pinion gear,3.Magnet disc plate,4.Clutch,5.Holder for clutch.