E*Thirteen E-Spec Alloy D-Mount Chainring - Bosch G4
E*spec chainrings use the new M3 narrow-wide tooth profile, which reduces weight without sacrificing chain-retention. E*Thirteen SL chainrings are lighter and more beautiful than their predecessors.
Features:
- Capacity: 11 and 12-Speed Drivetrain Systems
- Chain retention: Updated M3 narrow-wide tooth profile eliminates chain noise, and decreases overall system wear.
- Chainline: 52mm or 53mm (Boost chainline)
- Chainring: M3 narrow-wide tooth profile
- Compatibility: Bosch™
- Features: Lightweight and durable design, minimal aesthetics, and updated M3 tooth profile.
- Material: 7050 Aluminium
- Mount: QuickConnect™
- Weight: 34T: 117g