PROVEN CROSS-COMPATIBILITY APPLIED TO AN ULTRA-LIGHTWEIGHT, DURABLE AL-7075-T6 CHAINRING. HIGHLY CNC'D TECHNICAL FINISH. AVAILABLE TO MATCH HELI. . .

Style (and Performance) for Days Customize your ride with The Helix Race Direct Mount Chainring. Made from ultra-lightweight and durable AL-70. . .

UL Chainrings are the lightest 1x XC/Gravel chainrings on the market. Using the SL Chainring as the platform, we tweaked the arm design and stra. . .

Lighter, stronger and better looking than our original Guiderings; the Guidering SL is intended for use on TRS, LG1 and legacy e*thirteen cranks. . .

LIGHTER WEIGHT. LONGER WEAR LIFE. Helix Race e*spec Chainrings merge cutting-edge design and performance. Designed for Bosch™ equipped e-bikes,. . .

Upgrade your e-bike drivetrain with our Bosch e*spec Direct Mount Chainrings. Our M3 narrow-wide tooth profile reduces weight without compromisi. . .

Take on the toughest terrain and upgrade your e-bike drivetrain with our TQ e*spec Direct Mount Chainrings. Our M3 narrow-wide tooth profile red. . .

Take on the toughest terrain and upgrade your e-bike drivetrain with our Brose e*spec Direct Mount Chainrings. Our M3 narrow-wide tooth profile . . .

Take on the toughest terrain and upgrade your e-bike drivetrain with our Shimano e*spec Direct Mount Chainrings. Our M3 narrow-wide tooth profil. . .

Take on the toughest terrain and upgrade your e-bike drivetrain with our Fazua e*spec Direct Mount Chainrings. Our M3 narrow-wide tooth profile . . .

The Helix Plus Direct Mount Chainring is a direct OEM replacement, engineered with our advanced M4 narrow-wide tooth profile for maximized chain. . .

Updated G4 narrow-wide tooth profile improved retention, reduced chain noise, and decreased system wear. Flip-Flop - 52mm (Boost) and 55mm (S. . .

GRAVEL HARDER. ADVENTURE FURTHER. The Helix Race 107 BCD Chainring is a high-value quality upgrade for Gravel and Road Cyclists using 4-bolt 107. . .

Helix Core e*spec Direct Mount Chainrings feature our narrow-wide tooth profile, for reliable chain retention and an extra long wear life. Desig. . .

Direct power transfer. 104 BCD flexibility. Upgrade your e-bike with e*thirteen's 104 BCD Spider, designed for seamless compatibility and effici. . .

LIGHTER WEIGHT. LONGER WEAR LIFE. Helix Race e*spec Chainrings merge cutting-edge design and performance. Designed for Shimano™ EP8 equipped e-b. . .

LIGHTER WEIGHT. LONGER WEAR LIFE. Helix Race e*spec Chainrings merge cutting-edge design and performance. Designed for TQ HPR50 equipped e-bike. . .

LIGHTER WEIGHT. LONGER WEAR LIFE. Helix Race e*spec Chainrings merge cutting-edge design and performance. Designed for Fazua Ride 60 equipped e. . .

LIGHTER WEIGHT. LONGER WEAR LIFE. Helix Race e*spec Chainrings merge cutting-edge design and performance. Designed for Specialized® equipped e-. . .

A lightweight and affordable e-bike spider compatible 104BCD chainring, with excellent chain retention and wear-life.     The Helix e*spec 104BC. . .