Deore XT SM-CRM81 Child Carriers Giro's Aerohead MIPS takes the

Giro's Aerohead MIPS takes the same wind-cheating silhouette as the leading-edge Aerohead Ultimate

What is your DRiVe

or for increased comfort with a high amount of saddle-to-handlebar drop

Integrated tech-thread keeps you connected with your digital device

Deore XT SM-CRM81 Child Carriers Giro's Aerohead MIPS takes theShimano Deore XT quality to complete your 1x11 speed drivetrain. Carbon fiber reinforced polymer chainring with stainless steel teeths makes a very stiff, light and durable chainring. Tooth profile is designed to improve chain retention. Designed to be paired with the FC M8000 crankset. Compatible with 1x10 and 1x11 speed drivetrains. BCD is 96mm.