e*thirteen Helix Race 12-Speed 13-52T Cassette - Grey Size:13-52 this track-racing wheelset delivers an

this track-racing wheelset delivers an aerodynamic advantage and proven reliability

38T | Shimano®: 32T

and 175 mm

and stiffer than a straight shot of whiskey

e*thirteen Helix Race 12-Speed 13-52T Cassette - Grey Size:13-52 this track-racing wheelset delivers anAt e*thirteen, we're always striving to bring something new to the table. That's why we created the Helix cassette line to offer unparalleled cross compatibility without sacrificing performance. As e bikes have become more popular, we set out to engineer a close ratio cassette specifically for them. Enter the Helix Race 13 52T a 12 speed close ratio cassette specifically engineered for steep terrain where climbing speeds are high and descents are