Description
- Alloy inner chainring is installed with outer chainring by bolts
- Special gear teeth profile designed for MTB riding usage
- Lighter and stiffer design & easy exchangeable chainring by direct mount and one key release
SHIMANOXTR Hollowtech 2 12 Speed Mountain Bicycle Crank Set FC-M9100-2 - Front Chain Wheel - 170mm - 38-28T
