e*thirteen Helix Race 8-Bolt Chainring - 11/12-Speed 3mm Offset 8-Bolt Direct Mount Size:30T Coaches can assist with gentle

Coaches can assist with gentle corrections until the rider gains confidence

Traction Control mode

Rubber Quick Strap mounting system allows for easy installation and removal while also providing versatility of where the lights may be mounted

Customizable shift levers employ a fine balance between force used and tactile feed back for intuitive shifting

e*thirteen Helix Race 8-Bolt Chainring - 11/12-Speed 3mm Offset 8-Bolt Direct Mount Size:30T Coaches can assist with gentleHelix Race 8 Bolt Chainrings are an update to any 8 bolt drivetrain. Exquisitely machined from 7075 AL they're stiff and durable and provide a significant weight reduction over competitors. A unique four bolt locking interface reduces assembly weight while improving longevity and ease of assembly and maintenance. Featuring e*thirteen's M4 narrow wide tooth profile they deliver excellent chain retention long wear life and cross compatibility. Helix