e*thirteen Helix Race 8-Bolt Chainrings are 8-bolt chainrings for gravity riding. Made from 7075-AL, they are CNC machined for low weight and stiffness. With Helix Race Carbon cranks, the 3mm offset creates a chainline suitable for long-travel bikes. The M4 narrow-wide tooth profile offers chain retention, lower noise, and less wear. They work with 11-speed Shimano and SRAM 11/12-speed drivetrains, including T-Type. Use with 8-bolt cranks for compatibility.
Key Features:
- 8-bolt direct mount for Helix Race Carbon cranks
- 3mm offset for chainline with 8-bolt cranks
- Four-bolt locking interface for secure fit and reduced weight
- 7075-AL construction for stiffness and wear resistance
- M4 narrow-wide teeth for chain retention and 11/12-speed Shimano/SRAM/TRP compatibility, including T-Type
- For 8-bolt crank users