e*thirteen Helix Race 12-Speed 9-52T Cassette - Grey AI the mudguards are extremely robust

the mudguards are extremely robust

compatible with most phone chargers

FRAMEBAG provides 4 litres of storage space without affecting the bike’s handling behaviour

Easy-to-Clean: Made for that post-ride convenience

Bounce-free

e*thirteen Helix Race 12-Speed 9-52T Cassette - Grey AI the mudguards are extremely robuste*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