E*thirteen's new direct mount e*spec chainrings use our new M3 narrow-wide tooth profile, which reduces weight without sacrificing chain-retention.
In making the SL and UL chainrings lighter and more beautiful than their predecessors, they adapted a similar design to work with Bosch, Brose, and Shimano motor configurations.
Features
Updated M3 narrow-wide tooth profile eliminates chain noise, and decreases overall system wear.
Lightweight and durable design,
Minimal aesthetics,
Updated M3 tooth profile.
Specifications
Capacity | 11 and 12-Speed Drivetrain Systems |
---|---|
Chainline | 52mm or 53mm (Boost chainline) |
Profile | M3 narrow-wide tooth profile |
Compatibility | Bosch, Brose, Shimano & Fazua |
Material | 7050 Aluminum |
Mount | QuickConnect |
Weight | 34T: 117g 36T: 148g 38T: 174g |
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