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

Laser-cut hems remove bulk at the edge

Adjustment System

Backlight Clip: Loop for attaching a bike backlight

Made with at least 50% recycled materials in the upper

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