The Hope R22 E-Bike Spiderless Chainring is part of a new range of MTB chainrings from Hope Tech which offer a new tooth profile compatible with all major drivetrain types along with updated spider designs. Compatible with 9/10/11 and 12 speed drivetrains, including SRAM T-Type and Shimano HG+.Hope R22 E-Bike Spiderless Chainring Highlights-Bosch Gen 4 Direct Mount (52mm chainline).Available in 34 & 36T.Asymmetric tooth profile engineered for cross compatibility and functionality with different drivetrain systems.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 in Barnoldswick from 7075-T6 aluminium.