Bicycle drivetrains

Chain-wheel & crank for electric bicycle/E-bikes/165/127mm w/ aluminum alloy crank/steel chain-wheel

Chain-wheel and Crank with Plastic Gray Cover/Flap, Steel, CP/ED/48T/40T/32T, 175/165mm

Bicycle chainwheel & crank, five hole CP/ED/48T/40T/36T steel chainwheel, straight crank with nuts

40/36/33/32T Bike chain wheel and crank, 165/170mm direct crank with nuts, gray plastic cover

Bike chainwheel/crank with colorful 48/40/36T steel chainwheel with steel cover, 140/152mm crank

Chainwheel and crank, 40/36/33/32T chainwheel with plastic flap, for road/city/mountain bicycle

Chainwheel & Crank for Bike/Bicycle, 33/32/31T, Direct Manufacturer/Export

Bicycle Bottom Bracket Axle & Cups, 3S/3T/5S/5T,UCP/CP/ED, B.B. Axle Set

Bicycle CW & C with CP/ED/48/40/36/33/32T steel chain wheel, 175/170/165mm straight steel crank

Bike chain wheel with crank, black plastic cover, direct manufacturer/direct export/China madeNew