e*spec chainrings use our new M3 narrow-wide tooth profile, which reduces weight without sacrificing chain-retention. In making our SL chainrings lighter and more beautiful than their predecessors.

Key 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™, Shimano™
• Features: Lightweight and durable design, minimal aesthetics, and updated M3 tooth profile.
• Material: 7050 Aluminium
• Mount: QuickConnect™
• Weight: 34T: 117g

Occasionally, without notice, manufacturers change product design and/or specifications.