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

There۪s no MIPS option

What is your DRiVe

The new three magnet lens interface pairs seamlessly with the sleek shell to form their most aero helmet ever

Material Construction: Elastic Polyamide

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.