Shimano XT FC-M8120 1x12 Speed Crank Arms - 24mm - Shimano Direct Mount - No Spider - No Chainring - 55mm Chainline - Black - 170mm - 68-73mm Needs Images such as Tru Taste Polypropylene

such as Tru Taste Polypropylene and the Jet Valve

lowest-profile

Who's this item for:  The ARC 35 is for people who want a rim that's suitable for XC to AM riding

and they've stuck to it

Shimano XT FC-M8120 1x12 Speed Crank Arms - 24mm - Shimano Direct Mount - No Spider - No Chainring - 55mm Chainline - Black - 170mm - 68-73mm Needs Images such as Tru Taste PolypropyleneThe Shimano XT M8120 series cranks are built to handle everything you can throw at them. By utilising Hollowtech II technology Shimano is able to keep the weight down, while still creating a rigid crank arm capable of handling some seriously aggressive trail riding. The M8120 cranks are compatible with Boost frames only. Check out the M8100 cranks for the non Boost compatible version. Who's this item for: Designed for aggressive trail riding, but