e*thirteen Helix Race 12-Speed 9-52T Cassette - Grey FSD running cooler and more efficient

running cooler and more efficient with up to 2300 charge cycles

high-polish finish

Fits inner tube sizes -26” x 1

deformation

Includes UV torch to check for 100% coverage

e*thirteen Helix Race 12-Speed 9-52T Cassette - Grey FSD running cooler and more efficiente*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