Hope Technology adds to their chainring offering with the R22. A new chainring specifically designed to be compatible with all new drivetrain systems The R22 features a new tooth profile to work with all major drivetrain types along with updated spider designs, and compatibility with 9/10/11 and 12 Speed drivetrains including SRAM T-Type and Shimano HG+. Key Features: // Asymmetric tooth profile engineered for cross compatibility and functionality with different drivetrain systems // 9/10/11 and 12 Speed compatible (including SRAM T-Type and Shimano HG+) // Improved mud shedding capability // Improved chain retention // Better performance with extreme chain angles on modern 1 x drivetrains // Tooth profile allows for more chain wear before function is compromised, extending service life // Spiderless rings have a new leg design with improved strength and stiffness // Machined from 7075-T6 aluminium // 28T to 36T size range // Available in Black, Silver, Blue, Red, Orange and Purple