Drivetrain System (37)

Option: 1, Crankset only 2, Crankset + BB: come with BB-UN101 bottom bracket —————————————————————————— Model: FC-M351 Color: Black Speed: 3×9 Speed Chainring: 44-32-22T  Compatible chain: HG 9-speed Chain guard: without...

Option: 1, Crankset only (40T) 2, Crankset (40T) + BB: come with bottom bracket 3, Crankset only (44T) 4, Crankset (44T) + BB: come with bottom bracket —————————————————————————— Model: FC-MT210...

Option: 1, Crankset only(48T, Silver): 48-36-26T 2, Crankset + BB(48T, Silver): 48-36-26T, come with bottom bracket 3, Crankset only(44T, Black): 44-32-22T  4, Crankset + BB(44T, Black): 44-32-22T, come with bottom...

Option: 1, Crank arm only 2, Crank arm + BB: come with bottom bracket —————————————————————————— Model: FC-M4000 Level: Alivio Color: Grey as picture Speed: 9 Speed Chainring: No chainring Compatible...

Option:  1, Crankset only(50T): Crankset 50-34T 2, Crankset(50T) + BB: Crankset 50-34T,come with Jiankun original bottom bracket 3, Crankset only(53T): Crankset 53-39T 4, Crankset(53T) + BB: Crankset 53-39T,come with Jiankun...