Check the listing for details. SRAM X-Sync 2 Chainring 34t 104 BCD Bolt Circle Diameter Steel Eagle Black. Color: Black, Condition: New. Listed at 29.30 USD. SRAM X-SYNC 2 1x chain rings provide a high level of performance and durability. The aggressive teeth design provides better chain retention for a smoother, more efficient pedal feel. With a focus on long wear-life, the design reduces friction and the accumulation of mud, grit and grime.The sharp and narrow tooth profile, as well as rounded chamfer edges, help manage a deflected chain. Steel chainring is designed for use with Eagle chains and drivetrains. Item Specifications: Tooth Count, 34, Ring Position/Type, Single, Drivetrain Speeds, 12,11, Chainring BCD, 104, Color, Black, Defined Color, Black, Material, Steel, HAVE A QUESTION?Expert customer service by bike experts! A Real Brick And Mortar Retail Bicycle Shop with people you can talk to! Contact Us! (9-5 Mon-Fri, 12-4 Sat & Sun EST) Chat With Us