e*thirteen Helix Race 8-Bolt Chainring – 30t 11/12-Speed 3mm Offset 8-Bolt Direct Mount BLK

E*thirteen Helix Race 8-Bolt Chainring – 30t 11/12-Speed 3mm Offset 8-Bolt Direct Mount Black. Helix Race 8-Bolt Chainrings are an update to any 8-bolt drivetrain. Exquisitely machined from 7075-AL theyre stiff and durable and provide a significant weight reduction over competitors. A unique four-bolt locking interface reduces assembly weight while improving longevity and ease of assembly and maintenance. Featuring e*thirteens M4 narrow-wide tooth profile they deliver excellent chain retention long wear-life and cross-compatibility.

• Helix Race 8 Bolt Chainrings provide an weight-saving upgrade solution for 8-bolt crank users and the perfect match for Helix Race Carbon Cranks
• M4 narrow-wide profile delivers enhanced chain retention and cross compatibility with Shimano SRAM and TRP 11/12s drivetrains incl. T-Type
• Unique 4-bolt locking interface reduces weight and simplifies installation and maintenance
• Forged-CNC 7075 AL for ultralight weight with high strength stiffness and wear-life
• Compatible with 8-bolt cranks and e*thirteen Helix Race Carbon Cranks

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