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 BBS01, BBS02, BBS03/BBSHD kit spare part: BBS PAS circuit with connector for replacement. It can plug into the BBS controller directly. If your kit cannot work with padel, but it can work with throttle, you can consider to replace the PAS circuit.   To remove or install the PAS magnet, you may need a special plier and you can order the tool on our website too.

If you also need the magnet disc for BBS01/BBS02 kit, please click here: BBS01/BBS02 PAS magnet disc

If you need the manual for replacing the PAS circuit, please click here: How to replace BBS PAS circuit 

Bafang mid crank kit(BBS01, BBS02, BBS03/BBSHD) clutch replacement spare parts; the price includes two sets of thrust ball bearing(each bbs kit needs two sets of thrust ball bearings). There are also two axle retaining lock nuts(4 key slots, a thick one and a thinner one) to lock the thrust bearings in the bbs axle, if your lock nuts are broken, you can order them on our website as well. These are needed when replacing the clutch; if you need tools for replacing these washers and lock nuts, please order the bbs axleremover/spanner/wrench on our website.

One BBS motor needs two sets thrust ball bearings.

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 bbs01, bbs02, BBS03/BBSHD needle roller bearing part for replacement : needle bearing NK17/16. It can also work as NK17/16A as our customer proved.

Bafang bbs01, bbs02 kit plastic gear cover for replacement; there are two types of cover, 5holes and 7 holes, please check holes number for your own bbs kits before ordering the plastic cover for replacement. The 7 holes plastic redunction gear cover is used for new version of BBS kit, BBS01B and BBS02B model. You can also check how many screw holes in your bbs gear cover before placing the order.

8FUN BBS01/BBS02 axle/shaft rubber seal. 

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.