e*thirteen Helix Race 12-Speed 9-52T Cassette - Bronze Size:9-52 and 7*10mm saddle rail specifications

and 7*10mm saddle rail specifications

The redesigned geometry puts you in a more performance-oriented position and gives you added control whether you’re picking up speed or detouring downhill to the swimming hole

SRAM CenterLine XR rotors [F]160mm

and longevity

Tubeless Ready up to 60 PSI

e*thirteen Helix Race 12-Speed 9-52T Cassette - Bronze Size:9-52 and 7*10mm saddle rail specificationse*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