RaceFace Direct Mount Wide Chainring - 30t DM CINCH For Shimano 12-Speed HG+ Compatible Chain BLK

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Shimano 12 speed specific, wide version for 55mm chainline

Provides the optimal chainline and clearance for your Super Boost 157mm hubs when used with the standard Race Face 136mm spindle

Also offers an extra 3mm of chainline when used with Boost 148mm hubs

7075-T6 aluminum direct mount ring to fit 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