NEW e*thirteen Helix R Steel Cluster – 11-Speed, 9-39t, Nickel

Helix R Clusters can be used to service e*thirteen Helix R cassettes. Designed to pair with aluminum large cog cluster to create a complete cassette Cassette Body Type: SRAM XD 11/12 Speed Drivetrain Speeds: 11 Material: Steel Tooth Count: 9-39