Product description
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.
Compatible, but not optimized for, 11 speed chains. Ring only. Crankarms and spindles sold separately.
Product Features
- EA90 SL Alloy
- Optimized for 12 Speed Flattop Chains
- Cinch System Compatible
- Variable Tooth Width
- Optimized Retention via Directional Tooth Design
Product Specifications
SINGLE DIRECT MOUNT: 36T, 38T, 40T, 42T, 44T
WEIGHT COMPLETE: 442g 172.5mm 40T w/o BB
CHAINLINE: 47mm
MATERIAL: EA90 ALUMINUM
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