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.

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 BBS02B 48V750W, 48V500W with the newest controller and 48V tiger shark frame battery DS-6.  If you want to ride a long distance per charge, the 48V17.25AH battery can provide you a long journey. If you want the bike to be more powerful, you can consider 52V13.8AH battery. The battery has a 5V USB output and you can use it as a powerbank when you need. Alluminum alloy charger for your choice. We have different frame batteries, please check carefully before ordering. The case model for this battery is DS-6. Free BBS assembling tools will be provided with shipment.

Note: 1. The charging voltage for standard GBK standard 48V battery is 54.6V; If you want fast charging, you can consider larger charging current; the charging connector for the battery is round 5.5x2.1DC connector as default. If you want round 5.5x2.5DC connector, please inform us.

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

8FUN/Bafang BBS01B/BBS02B core, stator or rotor for replacement. The bbs core includes a stator and a rotor. The price is only for stator, if you need the complate core, please add the rotor when placing the order. If you need BBSHD stator/windings, please order separately.

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 bbs01B 36V 250W/350W mid crank kit with 36V bottle battery. Chargers are optional with the kit. You can choose DPC18, C965 or C961 LCD meter for the kit. Bafang has upgraded bbs ktis to be bbs01b and bbs02b models for better water-resisting. All of our bbs kits instock is the newest version.

Installation tools will be provided free of charge.

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 BBS01/BBS02 finger freewheel/ pedal freewheel/pawl clutch for replacement.

If your Bafang BBS works normally by throttle, but bike pedals do not work and spin around freely, the pawl clutch of the bbs may be blown, and replacing the freewheel may solve the BBS problem.  The BBSHD pedal freewheel is different with BBS01/BBS02B pedal freewheel.

Bafang BBSHD 52V1000W with 52VJumbo shark casing 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 Sanyo NCR18650GA, Panasonic NCR18650BD, Samsung INR18650 32E,LG INR18650 MJ1 or Samsung INR2170050E cells with an ON/OFF switch; Battery capacity LED for showing how much battery capacity left; Different chargers for option. 5pin golden round contacts connectors for 30A discharging; Mountings are included with the battery. 

The case for 21700 cell is with 4 pin discharging connector while cases for 18650 cells is with 5 pin discharging connector.