The individual tooth profile has moved from the traditional symmetrical shape to more directional specific design with the intention to create a positive chain roller engagement to help with chain retention, critical to prevent chain slip and bounce over rough terrain.
Optimized for 11 speed drivetrains, though compatible with 9, 10 speed chains, as well as 12 speed Eagle, 12 speed Campagnolo. Not compatible with Flattop AXS or 13 Speed Campagnolo.
Rings only. Crankarms and spindles sold separately.
EA90 SL Alloy
Cinch System Compatible
Variable Tooth Width
Optimized Retention via Directional Tooth Design
SINGLE DIRECT MOUNT: 38T, 40T, 42T, 44T, 46T, 48T, 50T
WEIGHT COMPLETE: 442g 172.5mm 40T w/o BB
MATERIAL: EA90 ALUMINUM
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