e*thirteen Helix Race 12-Speed 13-52T Cassette - Bronze Size:13-52 Designed to fit a variety

Designed to fit a variety of bottle cages on the market

Balanced Performance: Positioned right in the middle of our terrain severity scale

±17 and ±35 degrees

The Max XL Mount (35

e*thirteen Helix Race 12-Speed 13-52T Cassette - Bronze Size:13-52 Designed to fit a varietyAt 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