Race Face Cinch Oval Drop-Stop Chainring - Boost (3mm) Offset Socks 21mm width tape fits: Grail

21mm width tape fits: Grail MK3

more stable

Retainer Strap

no-bounce system

and smooth dropper post actuation

Race Face Cinch Oval Drop-Stop Chainring - Boost (3mm) Offset Socks 21mm width tape fits: GrailThese chainrings are for Race Face Cinch cranks, such as Turbine, Next SL, Sixc & Aeffect, and feature our patented Drop Stop design for the best wear life, chain retention and mud clearance. The 3mm offset of this chainring suits Boost drivelines. Use Drop Stop A for all 9, 10, and 11 speed chains or 12 speed SRAM Eagle, KMC, Connex or Wippermann chains. Not compatible with SRAM AXS Flat Top, Shimano 12 speed HG+ or 13 speed Campagnolo chains.