顯示分類產品

CS-153

Description

Tooth 40T / 42T
Color Red / Black
Special Feature Challenge steep climbs and modify your Shimano cassette with the full CNC 40T / 42T sprocket. Recommended for 1x and 2x drivetrain system. Comes with redesign 16T sprocket for smoother shifting and tooth ratio. For installation, take out the 15T and 17T sprocket and install the 16T between 13T and 19T. It is recommended to ass the 40T after the 34T sprocket and the 42T after the 36T sprocket.