Shimano XTR FC-M9120-1 1x12 Speed Crank Arms - 24mm - Shimano Direct Mount - No Spider - No Chainring - 52mm Chainline - Grey - 165mm - 68-73mm YGroup_7033490898989 Fit most 29"

Fit most 29"

and other factors

It will also work well with the use of Wolf Tooth's extender cogs

Park's SBS-1

Who's this item for: XC and Trail riders who want the absolute best cranks Shimano offers

Shimano XTR FC-M9120-1 1x12 Speed Crank Arms - 24mm - Shimano Direct Mount - No Spider - No Chainring - 52mm Chainline - Grey - 165mm - 68-73mm YGroup_7033490898989 Fit most 29"The all new XTR 1x12 Speed Crank Arms are everything you have come to expect from Shimano. Superior quality paired with unmatched engineering all manufactured from top quality materials. Who's this item for: XC and Trail riders who want the absolute best cranks Shimano offers. Spindle Size: 24mm Weight: Approx 548g with a 32T direct mount chainring (depending on crank arm length) Chainring: These cranks will accept Shimano direct mount chainrings