WOLFTOOTH cartridge extension 40 teeth for Shimano
40 teeth for Shimano 10-speed XT and XTR cassettes.
In exchange for the 17 or 15 pinion, this 40 pinion provides an extension of the pinion pack. The turning aids are designed to align the teeth on a 36 tooth shimanocassette.
The cassette expansion is compatible with the Shimano 10-speed cassettes XT 11-36T (M771) and XTR 11-36T (M980). It is not compatible with SLX cassettes.
Colors: black, silver, red, blue
Scope of delivery: 1x WOLFTOOTH cartridge extension 40 teeth for Shimano