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 bbs01B kit 36V250W kit and 36V new stype down tube(hailong) battery; 120W or 180W alluminum alloy charger for option. This battery has ON/OFF switch and USB output for mobile charging; You can choose C961, DPC18 or C965 LCD, SW102 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. The charging voltage for the battery is 42V; the charing connector is XRL connector with pin1+, pin2-.

Bafang bbs01 36V 350W kit, or 36V 500W BBS02B with 36V Hailong 02 battery; 120W/180W/240W Alluminum alloy charger for option. This ebike battery has ON/OFF switch and USB output for mobile charging; You can choose C961, 500C, SW102, DPC18 or C965 LCD display for the kit. Battery fixing plate is also included.  Bafang has upgraded bbs kits to be BBS01B and BBS02B; all of our bbs kits is the newest version; the new models are better in waterproofing. Installation spanner will be included for free. This new style battery can be built 36V21AH which means you can get longer distance per charge.

The charging connector for the battery need to be XLR(Kanong) connector, GBK install the XLR female connector with pin1 positive, pin2 negative and pin3 no use as default. If you order the charger from elsewhere, please make sure the anode and cathode are correct before connect the charger to the battery.  The charging voltage for the battery is 42V, max charging current no more than 10A, otherwise it will hurt the battery. We recommend the charging current less than 5A.

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.