Race Face Cinch DM Wide Alloy 12sp Ring RR22DMW34TSHI12BLK

- Shimano 12 speed specific, 55mm chainline for 157mm rear spacing\n- Provides the optimal chainline and clearance for your Super Boost 157mm hubs when used with the standard Race Face 136mm spindle\n- Also offers an extra 3mm of chainline when used with Boost 148mm hubs\n- 7075-T6 aluminum direct mount ring to fit Race Face Cinch system splined cranks \n- Narrow-wide teeth prevent chain drop, updated tooth profile runs quieter \n- Installs with a common Park Tool BBT-22