e*thirteen Helix Race 12-Speed 13-52T Cassette - Bronze Sheppards As well as this

As well as this

Lighter Tr90 frame

It is made of strong woven nylon

Superior Moisture Wicking: Efficiently pulls sweat away from the skin to keep you cool and dry during intense rides

The RaceRocket® HP mounts to frame with included bracket

e*thirteen Helix Race 12-Speed 13-52T Cassette - Bronze Sheppards As well as thisAt 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