e.thirteen Helix Guidering Chainring Direct Mount, 52/55mm Flip Flop 30 Teeth - black

The updated narrow-wide G4 tooth profile improved grip, reduced chain noise, and decreased system wear.

Features:

• Chain retention: The updated narrow-wide G4 tooth profile improves retention, reduces chain noise, and decreases system wear.
• Chainline: Flip-Flop - 52 mm (Boost) and 55 mm (Super Boost)
• Compatibility: e*thirteen Helix, TRS, LG1, and XCX Direct Mount cranks 10/11/12 speed. Compatible with Shimano™ and SRAM™ 12-speed drivetrains.
• Features: Minimal aesthetics and updated narrow G4 wide tooth profile.
• Mounting: QuickConnect™
• Teeth: 30 teeth
• Material: Steel