e*thirteen Helix Race 12-Speed 9-52T Cassette - Grey Size:9-52 cyclocross and touring riders who

cyclocross and touring riders who need reliable stopping power and precise gear changes on mixed terrain

It creates a flatter aerodynamic surface and enhances cycling comfort

Perfect match with Descendant handlebars

While the steel version is a direct OEM replacement

SpecificationsBar Clamp Diameter: 31

e*thirteen Helix Race 12-Speed 9-52T Cassette - Grey Size:9-52 cyclocross and touring riders whoe*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