Shimano XT FC-M8100-1 Hollowtech 2 Crankarm Set grx_rd-rx815_di2_rear_derailleur The lightweight polymer shell is

The lightweight polymer shell is paired with an in-moulded PowerBridge and impact foam for high-speed impact absorption

Steep 'n' deep terrain is met with an even steeper head angle and an extremely low standover height

and on-bike control

integrated mounting with compatible racks

Thoughtful features like a soft glasses wipe and concealed zip pocket add everyday functionality

Shimano XT FC-M8100-1 Hollowtech 2 Crankarm Set grx_rd-rx815_di2_rear_derailleur The lightweight polymer shell isThe Shimano Deore XT FC M8100 1 crank features an entirely new construction, using direct mount chainrings, special gear tooth profile for improved chain retention, and a 172mm Q factor.