Helix Race 12-Speed 9-45T Cassette

DROP IN GRAVEL UPGRADE: Helix Race Gravel 12-speed, 500% Range, 330g The Helix Race 12-Speed 9-45T cassette extends legendary Helix shift performance and is compatible with SRAM®, Shimano®, and TRP® Shifters and Derailleurs of the same gearing count and similar cage capacity, to the lightweight Gravel and XC marketplace. PRODUCT FEATURES Compatible with SRAM®, Shimano®, and TRP® Shifters and Derailleurs of the same gearing count and similar cage capacity (Mounts on an XD driver only) The 2-piece design allows for replaceable aluminum cogs RIDER BENEFITS A drop-in replacement for SRAM™ XPLR™ 10-44T Cassettes - A 13% increase in range! Excellent shifting with Shimano™ and SRAM™ systems without compromise Flat-Top Chain and XPLR™ Derailleur Compatible *XD driver required *Hope XD™ drivers are undersized at the clamp location and require a Cassette Shim Kit.