Race Face Cinch Direct Mount Narrow-Wide Chainring - Direct Mount - Race Face - Easton Cinch - 6-0mm Super Boost Flip - Round - 30T - 9-12 Speed - Alloy eBay 4mm and 31

4mm and 31

doubles as extra leverage and bottle-opener

These are all genuine Avid or Sram Piston Kits

reduced brake fade and less brake noise

Race Face Cinch Direct Mount Narrow-Wide Chainring - Direct Mount - Race Face - Easton Cinch - 6-0mm Super Boost Flip - Round - 30T - 9-12 Speed - Alloy eBay 4mm and 31Replacement rings for your Race Face Cinch cranks. These direct mount rings feature a narrow wide tooth profile and are constructed from 4mm thick 7075 T6 aluminium or steel to prevent flex. The narrow wide tooth profile is necessary in single chainring setups to help prevent the chain from dropping off. Who's this item for: Riders with a RaceFace Cinch crank looking to upgrade or replace their chainring. Chain retention technology: Proven Narrow Wide