e*thirteen Helix Race 12-Speed 13-52T Cassette - Intergalactic Size:13-52 Engineered for lightness

Engineered for lightness

re-fillable front mounted bottle strategically positions hydration between the rider's arms for a hidden

10-52T X0 Eagle Transmission cassette

Durable construction

e*thirteen Helix Race 12-Speed 13-52T Cassette - Intergalactic Size:13-52 Engineered for lightnessAt e*thirteen, we're always striving to bring something new to the table. That's why we created the Helix cassette line to offer unparalleled cross compatibility without sacrificing performance. As e bikes have become more popular, we set out to engineer a close ratio cassette specifically for them. Enter the Helix Race 13 52T a 12 speed close ratio cassette specifically engineered for steep terrain where climbing speeds are high and descents are