• Vibration dampening

robust internals that make it more durable and its’ shifting performance more precise

The robust toe cap and raised asymmetrical ankle collar offers plenty of protection from trailside objects as well as putting something soft in-between your ankle and your cranks

Certified for use with e-bikes

The knobs are tall enough to bite and dig in when the course gets loose but ramped for speed on harder surfaces

E-Thirteen Helix 11 Speed Race Cluster - XD Driver - Grey - 46T - 11 Speed PDP|PLP|Brake Rotor Type • Vibration dampeningUnlike SRAM Eagle, Helix R cassettes have replaceable gear clusters. That means ongoing service and replacement costs will be less than half that of SRAM cassettes. When installing the Helix R cassette, as with any cassette, it's recommended to check for chain wear. If your chain shows 0. 5% or more wear, you will significantly decrease the wear life of your new cassette. Installing a new chain with your new cluster is a much better and economical