e*thirteen Helix Race 12-Speed 9-52T Cassette - Bronze Size:9-52 Available in sizes 90mm x

Available in sizes 90mm x 360mm / 100mm x 360mm / 110mm x 380mm / 120mm x 400mm

This new Zwift Ready version of the Direto XR series removes the cassette with the pre-installed Zwift Cog

Extreme suppleness filters out bumps

especially in the rain

9-SpeedCage Length: Long CageMax Cog: 34-38TCapacity: 44TClutch: YesCage Material: AluminumCompatibility: Sword

e*thirteen Helix Race 12-Speed 9-52T Cassette - Bronze Size:9-52 Available in sizes 90mm xe*thirteen expanded drivetrain possibilities for every rider with our original 9 50T Helix Race Cassette with 533% gear range. Our proprietary 9t sprocket and patented two piece construction gave riders an unprecedented ability to build the drivetrain of their choice. Now, weve built on that winning formula and added a 52T sprocket for an eye watering 578% total range. Love to grind climbs? Throw on a 28T chainring and go pull some stumps. Hungry for