E-thirteen Helix Race 12-speed Cassette

At 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 r A new 12-speed close-ratio cassette, specifically engineered for steep terrain where climbing speeds are high, and descents are gravity-powered.Key features:close ratio gearing cassette for better cadence and improved shifts under loadlower fatigue and extended range bio or battery with sweet spot cadence for max efficiencyhelix r 13-15-17-19-22-25-28-32-36-40-45-52 vs eagle 10-12-14-16-18-21-24-28-32-38-44-52cross-compatibility with shimano, sram, and trp drivetrains and chainsaluminum and steel clusters can be replaced separately to reduce service costpatented two-piece aluminum steel construction for strength, stiffness, light weight, and durabilityreinforced for e*spec strength 467G weight5 bold anodized or pvd color optionstested extensively for analog and e-bike use

At 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