MTB bike crankset bicycle hollow integrated crank modified single disc 104BCD 32 34 36 38 40 42T crankset bottom bracke

Crank: 170MM
Material: aluminum alloy
Specification: BCD 104
Weight: 675g left and right cranks
Advantages: made of aluminum alloy, light weight, stylish appearance, dazzling shape, strong shaft strength, strong compatibility
Name: Bearing Center Axis
Origin: Taiwan
Type: bottom bracket bottom bracket
Hollow integrated sprocket shaft, suitable for mountain bikes and road bikes with a width of 68-73mm