e*thirteen Helix Race 12-Speed 9-52T Cassette - Black Size:9-52 Together they create one of

Together they create one of the fastest and cleanest bicycle chain lubrication systems available

Lower link shape: compact

0 - 220psi range

Made with at least 50% recycled materials in the upper

Size ETRTO Color Weight 700x35c 35-622 Natural Brown 550 g 700x40c 40-622 Natural Brown 600 g 700x45c 45-622 Natural Brown 670 g

e*thirteen Helix Race 12-Speed 9-52T Cassette - Black Size:9-52 Together they create one ofe*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