RaceFace ERA Direct Mount Chainring - 30t DM CINCH 10-12 Speed Narrow-Wide BLK Model=Steel HV Floor Drive Pump making it an ideal option

making it an ideal option for riders with large or gloved hands

but it is extremely durable and holds speed over distance

In-person: BNS locations in Boulder

comfortable

Premium 440C stainless steel bearings

RaceFace ERA Direct Mount Chainring - 30t DM CINCH 10-12 Speed Narrow-Wide BLK Model=Steel HV Floor Drive Pump making it an ideal option52mm 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 TECH SPECS