e*thirteen Helix Race 12-Speed 9-52T Cassette - Grey cassons Gavia Fondo is the choice

Gavia Fondo is the choice for a robust mixed terrain tyre offering superior grip

One Chain for All

Starting Weight: 338g30

Athlete's weight directly affects the home trainer

e*thirteen Helix Race 12-Speed 9-52T Cassette - Grey cassons Gavia Fondo is the choicee*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