e*thirteen Helix Race e*spec Direct Mount Chainring for Bosch CX/SX - 34T, 13mm Offset, Bronze

The ethirteen Helix Race espec Direct Mount Chainring is the ultimate premium upgrade for high-performance Bosch e-bike systems. Forged and CNC-machined from ultralight, high-strength 7075-T6 aluminum, this 34T one-piece direct mount chainring features a 13mm offset to achieve perfect chainline alignment on Bosch CX Gen 4, Gen 5, and SX motors. Equipped with an updated M4 narrow-wide tooth profile and finished in a striking bronze anodizing, it ensures bulletproof chain retention and seamless cross-compatibility across all modern 11 and 12-speed drivetrains, including SRAM T-Type.