E-Thirteen Helix 11 Speed Race Cluster - XD Driver - Grey - 46T - 11 Speed eBay Works great as a front

Works great as a front or rear on a trail bike

Rim protection compatibility: Not compatible with tyre inserts

these pads are built to last

knee pads and even a place for your helmet

E-Thirteen Helix 11 Speed Race Cluster - XD Driver - Grey - 46T - 11 Speed eBay Works great as a frontUnlike 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