The Helix R espec chainrings combine cutting-edge design and performance. Engineered to enhance the most popular eBike motor systems, this one-piece, direct-mount chainring is forged and machined from 7075 aluminum. Boasting lightweight construction, durability, impressive stiffness, and a striking technical aesthetic, this version is available for Bosch CX Gen4/Gen5 and Bosch SX motors.
With a wear-resistant tooth profile and refined aesthetics, the seamless visual integration, when paired with Helix Race Alloy espec cranks, represents the ultimate upgrade for your eBike.
The new M4 narrow-wide profile ensures improved chain retention and cross-compatibility with Shimano®, SRAM®, and TRP® 11/12-speed drivetrains, including SRAM® T-Type®.
15mm offset for a 55mm chainline on bikes equipped with CX Gen4/SX motors, and a 57mm chainline on bikes equipped with CX Gen5 motors