Helix Race | Cassette | 12 Speed | Aluminum Cogs | 43-52 | Naranja
Replacement alloy cluster for Helix R 9-52T cassettes or range upgrade for any e*thirteen 9-50T Cassette with an industry-leading 578%, and the full range of vibrant Helix colors.
43-52T Alloy Cog Cluster
Compatible with Helix R 9-52T cassettes and any e*thirteen 9-50T cassettes.
Upgrades range on 9-50T cassettes from 556% to 578%
7075 AL strength and stiffness