E-THIRTEEN Bosch CX Gen4 DM chainring

Our new direct mount e*spec chainrings use our M3 narrow-wide tooth profile, which reduces weight without sacrificing chain-retention. Steel direct mount rings provide great performance and long life at a killer price for todays high-performance e-bikes. Specifications: - 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: Steel