Drivetrain System (30)

Option: 1, Crankset only (50T): 50-34T 2, Crankset (50T) + BB: 50-34T,come with BB-RS500 bottom bracket 3, Crankset only (52T): 52-36T 4, Crankset (52T) + BB: 52-36T,come with BB-RS500 bottom...

Option: 1, Crankset only (30T): FC-M5100-1 30T 2, Crankset (30T) + BB: FC-M5100-1 30T,come with SM-BB52 bottom bracket 3, Crankset only (32T): FC-M5100-1 30T 4, Crankset (32T) + BB: FC-M5100-1...

Options: 1, Crankset only 2, Crankset + BB: come with SM-BB52 Bottom Bracket —————————————————————————— Model: FC-MT500-2 Level: Deore Color: Black Speed: 2×10 Speed Chainring: 36-26T Compatible chain: HG-X 10-speed P.C.D.:...

Option: 1, Crankset only 2, Crankset + BB: come with SM-BB52 bottom bracket —————————————————————————— Model: FC-MT500-3 Level: Deore Color: Black Speed: 3×10 Speed Chainring: 40-30-22T Compatible chain: HG-X 10-speed P.C.D.:...

Option: 1, Crankset only 2, Crankset + BB: come with SM-BB52 bottom bracket —————————————————————————— Model: FC-M4100-2 Level: Deore Color: Black grey as picture Speed: 2×10 Speed Chainring: 36-26T  Compatible chain:...

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...