E*thirteen Helix Race 12 speed MTB Cassette Bronze 9-50t

The Helix Race 12-Speed 9-50T cassette extends legendary Helix shift performance and cross compatibility with SRAM and Shimano 12-speed drivetrains, to the light weight Gravel and XC marketplace. It features:  12 speed 9-50t -  9,11,13,15,17,20,23,27,31,36,42,50 Helix R 12-Speed Cassettes work flawlessly with Shimano and SRAM 12sp drivetrains, despite the challenges in designing for the different cog spacing and chain behavior The improved performance of the Helix cassette features great Shimano 12sp shifting performance and improved reliability of steel and aluminum assembly The Intergalactic PVD finishing is twice as durable as anodized models Offering a 556% range utilizing an XD driver to enable a 9-50t, 12sp cassette Special note for Hope hub owners: Hope XD drivers do not adhere to the XD specification and require an additional shim. Shims are now included in the package Weight: 375g