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

As well as this

The respective length of the mounting bolts for the HR brake caliper must be selected based on the thickness of the chain stay

KMC’s latest breakthrough in chain technology

Cycling Dynamics: Available

It is made of strong woven nylon

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