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

Extensive CNC machining for light weight and looks that kill

The adjustable chainline accommodates non-Boost

e*thirteen's ergonomic 9 degree backsweep/5 degree upsweep geometry offers a natural and supportive feel

Things break sometimes

2 motor systems

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