- Internal O-rings and grease sleeve to preserve lubrication and prolong service life
Designed for professionals and advanced DIYers
or customize their bike setup for competitive racing or casual cruising
High and Low-Speed Compression
non-slip grip and added durability
RaceFace ERA 30T Wide Chainring - Carbon Fiber, 10-12 Speed, DM CINCH Type_Lotion - Internal O-rings and greaseUpgrade Your Cycling Performance with the RaceFace ERA Direct Mount Wide Chainring 30T, DM CINCH, 10 12 Speed, Narrow Wide, Black Maximize your mountain biking and trail riding efficiency with the RaceFace ERA Direct Mount Wide Chainring. Designed for serious riders who demand durability, lightweight performance, and advanced technology, this 30 tooth, black chainring is optimized for modern 10, 11, and 12 speed drivetrains. Materials & Engineering