Check the listing for details. SRAM Eagle T-Type Chainring - 36t, 12-Speed, 104 BCD, Steel, Black. Color: Black, Condition: New. Listed at 41.89 USD. Designed for use with a 104 BCD interface of any 104 BCD spider, This chainring utilizes SRAM's T-TYPE design and is backwards compatible with Eagle technology (X-SYNC II). SRAM drivetrain engineers optimized this ring to combat the high-torque, high-wear situations e-bike riders face. The aggressive tooth design provides better chain retention for a smoother, more efficient pedal feel with a focus on long wear-life.High durability steel construction. Backwards compatible with other Eagle Technology. AeroGuard compatible with steel rings that Fufills EN 15194:2017 standard. Item Specifications: Chainring BCD, 104, Color, Black, Defined Color, Black, Drivetrain Speeds, 12, Material, Steel, Ring Position/Type, Chain Retaining Single Ring, Round or Oval, Round, Tooth Count, 36, 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