e*thirteen Helix Race 12-Speed 13-52T Cassette - Bronze Sheppards It is made of strong

It is made of strong woven nylon

and deforms consistently for optimal race feel and control

11x34 Chain Shimano Ultegra Crankset Shimano Ultegra

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

e*thirteen Helix Race 12-Speed 13-52T Cassette - Bronze Sheppards It is made of strongAt 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