e*thirteen Helix Race 12-Speed 13-52T Cassette - Grey Size:13-52 Reflective heat transfer logo on

Reflective heat transfer logo on front and back

and stiffer than a straight shot of whiskey

38T | Shimano®: 32T

During Exercise

e*thirteen Helix Race 12-Speed 13-52T Cassette - Grey Size:13-52 Reflective heat transfer logo onAt 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