8FUN BBS01B/BBS02B/BBSHD controller rubber seal. This rubber seal can prevent water or sand coming into the motor. If you are going to replace the controller, the bbs controller rubber seal is needed.

Bafang 8FUN bbs01/ bbs02 motor rotor for replacement.  If your Bafang BBS kits starts making noise, you can open the bbs kit to check if the rotor is in good condition or not; the rotor shaft diameter is 8mm, if it wears down, the rotor will wobble and scrape the stator which causes the noise.

Note: The rotor cannot fit old version BBS kit; The old version bbs models are BBS01 and BBS02; the new version bbs models are BBS01B and BBS02B. You can find the model mark on the motor shell. The rotor is suitable for new version(BBS01B and BBS02B).

Bafang provides two types pinion gears to us; we identify them by shaft diamter of the iron gear. The old version(BBS01/BBS02) is 10mm diameter for shaft and the new version(BBS01B/BBS02B) is 12mm diameter. Please check carefully when ordering the BBS spare parts.   Bafang no longer stock the 10mm pinion gear and we now only have the 12mm pinion gear available, please be noted. Bafang BBSHD iron pinion gear is also available now. We will provide grease with the pinion gear freely, It would be better to add some grease when replacing the new pinion gear.

Bafang  BBS01B or BBS02B controller 36V250W, 36V350W,  36V500W, 48V500W or 750W for replacement.  We provide controller rubber seal for BBS01B or BBS02B controllers freely.   The old version BBS controller is with "8FUN" logo, while the new version BBS controller is with "Bafang" logo. The controllers for the two versions are not compaatible. Controller screws will be provided freely withh the shipment.

Please see below BBS controller codes:

BBS02B 48V750W controller with "Bafang" logo: C571-30-512, CROF0214 or CR R209.750.SN.U 2;

BBS02B 48V500W controller with "Bafang" logo: C571-30-514,  C571-30-508 or CROF0213;

BBS02B 36V500W controller with "Bafang" logo: C571-30-515 or CROF0211;

BBS01B 36V250W controller with "Bafang" logo: C571-30-511 or CROF0209;

BBS01B 36V350W controller with "Bafang" logo: C571-30-513, or CROF0219;

If the controller you get has light cables, please double check the positive and negative cables before connecting to the 6V headlight;

Tail light: White and black --> Positive; Black--> Negative

Bafang 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. We will provide some Sinopec Grease free of charge with the clutch.

8FUN BBS01B/BBS02B nylon gear for replacement; For BBS kits, Bafang has  old and new version; You can check the model marks on your motor, BBS01 or BBS02 is the old version; BBS01B or BBD02B is the new version. We now only have nylon gear for new version, please be noted. Reduction nylon gear for BBSHD is also available.

8FUN BBSHD 48V 52V 1000W kit winding/stator for replacement. If your stator is burned, you can buy this winding for replacement.

Bafang has upgraded BBSHD rotor and stator since April 2019. The new version stator and rotor cannot compatible with the old version rotor and stator.

The stators we have now are the new version, you may need to replace the rotor as well if old version stator is defective.

The stators for 100mm, 110mm, 120mm BBSHD kit are the same.

Replacing BBSHD stator is similar with BBS01/BBS02 stator:

8FUN BBS01/BBS02 axle/shaft rubber seal. 

Bafang BBS brake, brake sensor or throttle extension cable. If you build an electric tri-cycle or cargo bike, this extension cable is a must because the original brake and throttle of the bbs kits are too short. The price is for one cable, if you need it for the brake, you may need to order two of this cable.

This wire is also suitable for Ultra M620 or Max drive M400 mid motor.