e*thirteen Helix Race 12-Speed 9-52T Cassette - Black Size:9-52 Low Drag inlets strategically positioned

Low Drag inlets strategically positioned to reduce air turbulence

A full-featured bicycle workstand designed and built for the home mechanic

Advanced Forged Composite Technology provides a low-seated

Convert your K-EDGE Garmin Computer Mount to be a Computer + Action Camera combination mount

e*thirteen Helix Race 12-Speed 9-52T Cassette - Black Size:9-52 Low Drag inlets strategically positionede*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