e*thirteen Helix Race 12-Speed 9-52T Cassette - Black Size:9-52 the helmet delivers superior levels

the helmet delivers superior levels of comfort

strong and ultra-light

extending the duration between hot wax applications

Whether sticking to a planned route or adjusting on the fly

e*thirteen Helix Race 12-Speed 9-52T Cassette - Black Size:9-52 the helmet delivers superior levelse*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