E*thirteen Helix Race 12s Cassette - 9-45T Color:Grey Specification Wheel Size 29 inch

Specification Wheel Size 29 inch Inner Width 28mm Spoke Count 28h Axle Config

depending on environment/temperature or after +1000 km

improving clearance on low BB frame geometries

Fender Compatibility: n/a

Inspection of frame and fork

E*thirteen Helix Race 12s Cassette - 9-45T Color:Grey Specification Wheel Size 29 inchHelix Race Cassette 12 Speed 9 45T Intergalactic The Helix Race 12 Speed 9 45T Cassette is a drop in Gravel Upgrade, that extends legendary Helix shift performance and cross compatibility with SRAM and Shimano 12 speed drivetrains, to the lightweight Gravel and XC marketplace. With weights starting at just 310g, Flat Top Chain compatibility, and a 500% range, you get an instant 13% range increase over XPLR 10 44 cassettes. e*thirteen's proprietary 9T