Helix Race 12-Speed 9-45T Cassette Color:Grey Extensive CNC machining for light

Extensive CNC machining for light weight and looks that kill

Turbocharger-compatible Upper Sliders are available separately for e*thirteen e*spec Chainguides

Handbuilt to exacting precision with Sapim D-light spokes and locking alloy nipples

Check out the Loam Wolf's in depth review on e*thirteen's Vario Dropper Post

Available Full Coverage for traditional ISCG05 bikes and "Lower Only" version (seen on this page) for applications on most popular high-idler bikes

Helix Race 12-Speed 9-45T Cassette Color:Grey Extensive CNC machining for lightDROP 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