E*thirteen Helix Race 12s Cassette - 9-45T Color:Intergalactic Capacity: 1

Capacity: 1

Feature: Internal Cable Routing system provides integrated cable management and protection from crashes

Seals up to 8mm holes (MTB) / 6mm holes (Road) instantly

with an 800mm width (adjustable to 760mm)

excellent chain retention

E*thirteen Helix Race 12s Cassette - 9-45T Color:Intergalactic Capacity: 1Helix 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