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.

Bafang mid crank kit bbs01, bbs02 kit bullet connector, Φ5, male and female connector, matching bafang bbs kits. The  price includes one male and female connector, the housings are included.

8FUN central motor kit hydraulic brake sensor. It includes a sensor and a magnet. It is easy to install, just fix the two parts on your original brake handle bar. The price is for one brake sensor, if you need a pair for your bike, please order two sensors.

This oil brake sensor is suitable for BBS01, BBS02, BBSHD, Ultra M620, Max drive M400 etc.

Bafang BBS01/BBS02/BBSHD C965/C961/C963 LCD extension cable. Cable length: 50cm.

This LCD extension cable is also suitable for Ultra M620, Max drive M400 mid motor LCD which has the round 5pin LCD connector.  

non asbestos gasket for Bafang BBS01B/BBS02B motor core/stator/engine.

Gear sensor for Bafang BBS01B, BBS02B, BBSHD, M600, M500, M510 kits. If your bike has derailleurs system, you may need this shift sensor so that the bike can be shifting smoothly. If your bbs kit has no extra cable for connecting the shift sensor, you can order the Y cable for the gear sensor.

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.

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.

Bafang BBS kit install tool;

Bafang BBS M33 Lockring and cover atightening spanner.

Wrench for 8FUN BBS M33 nut and cover.

C-type wrench for M33 lock ring and cover.

Material: Stainless steel.

Bafang BBS small chainwheel, 32T, 34T, 36T or 38T. This smaller chainwheel only works for 250W, 350W, 500W and 750W BBS01/BBD02 kits; it is not suitable for BBSHD. This chainwheel must be used with BCD104 chainwheel spider. If you need a BCD104 chainwheel spider, you can also order on our website; we have two version BCD104, you can check first on our website. Some customers may already have the BCD104 chainwheel spider, in this case, you don't need to buy an extra BCD104 chainwheel adaptor.

Blue, Red and black color are available; 

Positive and negative teeth can prevent the chain from dropping.

Bafang BBS axle remover. If you need to remove the BBS axle or replacing the thrust ball bearing, you may need this spanner to remove the axle.