Helix Race Cassette - 12-Speed 13-52t, Gray multi-tools resulting in the fastest tire

resulting in the fastest tire we’ve ever made

Stealth® S1 dotty rubber outsole for unbeatable grip

coupled with a woven S-logo on the back

On this Crossroads

soft mesh fabric tackles moisture management

Helix Race Cassette - 12-Speed 13-52t, Gray multi-tools resulting in the fastest tireThe e*thirteen Helix Race 12 speed 13 52t cassette features close ratio gearing, specifically engineered for steep terrain where climbing time and shift frequency is high, and descents are gravity driven. By placing more gears where riders spend the majority of the time, they can optimize cadence and torque for improved climbing efficiency with smoother shifts under load for both analog and eBikes. Close ratio gearing cassette for improved shifts