e*thirteen Helix Race 12-Speed 13-52T Cassette - Bronze Sheppards KMC’s latest breakthrough in chain

KMC’s latest breakthrough in chain technology

Lighter Tr90 frame

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

Please note that there are two separate SKUs: EnergyPak Plus Battery & Travel Bag

e*thirteen Helix Race 12-Speed 13-52T Cassette - Bronze Sheppards KMC’s latest breakthrough in chainAt 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