e*thirteen Helix R cassette spin world’s widest 1x range for 11 or 12 speeds
New e*thirteen Helix R cassettes take high-performance wide-range drivetrain upgrades to another level, with lighter weights, improved shifting and a new PVD treatment that doubles durability. Offering more range than any other cassette on the market, the 12-speed 9-50T will extend your SRAM Eagle or latest Shimano drivetrains at a better price. And the 11-speed […]
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