Shimano XT FC-M8120 1x12 Speed Crank Arms - 24mm - Shimano Direct Mount - No Spider - No Chainring - 55mm Chainline - Black - 170mm - 68-73mm Dangerous Goods They succeeded in this by

They succeeded in this by using a tough as nails Nylon Composite body

high-impact resistance

Backing plate material: Available with Steel backing plate but also with a Titanium option for less weight

32t & 34t Wolf Tooth chainrings

exterior waist adjusters and a secure zip pocket

Shimano XT FC-M8120 1x12 Speed Crank Arms - 24mm - Shimano Direct Mount - No Spider - No Chainring - 55mm Chainline - Black - 170mm - 68-73mm Dangerous Goods They succeeded in this byThe 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