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 bbs kit 36V 250W/350W/500W kit and 36V Hailong 01 casing down tube battery; 42V alloy charger for option. You can choose C961, DPC18 or C965 LCD display for the kit. Bafang has upgraded bbs kits to be BBS01B and BBS02B; the new models are better in waterproofing. The assembling tools are included: one M33 spanner and Allen key set free of charge.

Bafang bbs kit 36V250W, 350W, 500W kit and 36V Hailong 01 Pro(G70)down tube frame battery; 120W, 180W  42V chargers for options. You can choose 500C, C961, DP C18 or C965 LCD display for the kit. Battery fixing plate is also included.  Bafang has upgraded bbs kits to be BBS01B and BBS02B, the new models are better in waterproofing. Installation spanner will be included for free.

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 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 

8FUN/Bafang bbs02B kit 48V750W, 48V500W with 48V14AH Hailong 01 downtube battery. battery fixing plate are included.  Bafang has upgraded bbs kits to be BBS01B and bbs02B for better waterproofing. Installation tools are included with the shipment.

 If your needs longer cords for installing the BBS kit, we have BBS EB-BUS extension cord, speed sensor extension cable, LCD extension cable, brake/throttle extension cable as well.

Bafang BBSHD kit with 48V hailong downtube battery with 30A BMS for high power electric fatbike or MTB conversion. If you need high power e-bike, this kit would be the best for you with good motor and good battery. The battery has an ON/OFF switch and A 5V USB output for portable device charging.

1. You can choose standard 48V hailong downtube battery for the kit; if you want the ebike to be more powerful, you can choose the 52V Jumbo shark battery for the BBSHD kit;

2. For charging of the battery: the charging port is 3pin Kanong(XLR) connector with pin1 +, pin 2-, pin 3 empty; if you prefer fast charging, please consider larger charging current for the charger;

3. The discharging port for the battery is 5pin golden round contacts connector;

4. The BBSHD kit is with the latest controller, we will set and solder the parts needed before shipment. You can use the kit and battery directly when you receive them;

5. The mounting foot for the battery is included, if you need an extra mounting foot for the battery, please click here: Hailong02 mounting foot

Bafang BBSHD kit 48V 1000W with 48V(13S)  tiger shark frame battery for high power ebikes. If you need high power e-bike, this kit would be the best for you with good motor and good battery. The battery is made by NCR18650GA cells or NCR18650PF cells with an ON/OFF switch and A 5V USB output for portable device charging. Mounting foot is included. 

1. The battery is built with 30A BMS which is demand for BBSHD kit.

2. The discharging connector for the battery is 6pin connector. 

3. The charging port for the battery is 2.1DC(For charging current less than 4A) or 2.5DC connector. If you perfer fast charging, please consider larger charging current for the battery.