- EA90 SL alloy ring specifically tailored to Road/CX/Gravel applications
- Tooth profile optimized for SRAM Flattop 12 speed chains (OK for 11sp chain, too)
- Asymmetric four arm shape for greater stiffness in the power zones of the pedal stoke
- New narrow/wide directional tooth design improves chain retention over rough terrain
- Cinch System spline
UPC: 821973403953