Helix Race Cluster 12s 42-50T e*thirteen Grey S3-Colour-Red plus the latest Flight Attendant

plus the latest Flight Attendant technology that learns from your ride data and instantaneously switches between Open

meaning less vibration for the suspension and rider

FIND YOUR BIKE'S FIT- FIT KIT FINDER

it supports dropping a chainring size to take full advantage of e*thirteen’s proprietary 9T smallest cog

Helix Race Cluster 12s 42-50T e*thirteen Grey S3-Colour-Red plus the latest Flight Attendante*thirteen Helix Race Cluster 12 Speed 42 50T Grey Unlike SRAM Eagle, Helix Race cassettes have replaceable gear clusters. That means ongoing service and replacement costs will be less than half that of SRAM cassettes. As an added bonus, Helix Race 12s clusters are backward compatible with and can be used to upgrade your existing TRS+ 9 50 cassette. When installing the Helix Race cassette, as with any cassette, we recommend checking chain wear. If