WOLFTOOTH pinion GCX 42 teeth for SRAM XX1 | X01 cartridge
However, the 42er pinion your expensive SRAM XX1 or X01 cartridge is worn, the remaining steel pinion not? Wolftooth has the solution. With 42 teeth pinion GCX you the original pinion of Sram Replace cassette without having to buy a new cartridge. Incidentally, there is a pinion
4 different colors, so you can adjust the cassette also color to your bike.
Information regarding the assembly, check here .
Made in USA
Material: Aluminum 7075-T6
Compatibility: Sram XX1 cassette or X01
Colors: black, silver, red, green or blue
Delivery: 1x pinion 42 teeth