• 52mm chainline for 148mm rear spacing
• Stainless steel teeth provide a 500% increase in wear durability over aluminum.
• Carbon fiber construction reduces ring weight while improving stiffness and power transfer
• Direct Mount (DM) fits Race Face Cinch system splined cranks
• Narrow-wide teeth prevent chain drop, updated tooth profile runs quieter
• Installs with a common Park Tool BBT-22
• Shimano 12sp (SHI12) and SRAM 11-12 / Shimano 11 (NW) versions

Details