e*thirteen Helix Race GR Chainring 34T Black

e*thirteen Helix Race GR Chainring | 34T | Black  – Forged AL 7075-T6, CNC’d for stiffness & low weight. -7mm offset for a 56.5mm chainline (83mm spindle). M4 narrow-wide teeth for chain retention, quieter drivetrain & Shimano/SRAM T-Type® compatibility.