Evolution version combine two different materials makes the drivetrain system more stable, the teeth use the high strength Cr-mo Moreover, the body of sprocket we use AL-6066 which is stiff and light. Challenge steep climbs and modify your SHIMANOR c...
Evolution version combine two different materials makes the drivetrain system more stable, the teeth use the high strength Cr-mo Moreover, the body of sprocket we use AL-6066 which is stiff and light. Challenge steep climbs and modify your SHIMANOR cassette with the Mage SK full CNC 40/42T sprocket. Recommended for 1x and 2x drivetrain systems. Comes with longer B-tension screw and redesigned 16T sprocket (CR-DX005-16) for smoother shifting and tooth ratio. For installation take out the 15T & 17T sprocket and install the 16T between the 13T and 19T. Add the 40/42T after the largest sprocket.
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