NEW e*thirteen Helix R Aluminum Cluster - 12-Speed, 42-50t, Bronze shifter_2x mostly in Taiwan and China

mostly in Taiwan and China

Double or Triple Double Drivetrain Speeds 8 Front Der/Shifter Compatibility Shimano Road Front Derailleur Style Traditional Max Ring (teeth) 52

- Heavy-duty HDPE frame on back and bottom to prevent sagging

FSA Omega Bottom Brackets

NEW e*thirteen Helix R Aluminum Cluster - 12-Speed, 42-50t, Bronze shifter_2x mostly in Taiwan and ChinaHelix R Clusters can be used to service e*thirteen Helix R cassettes. Designed to pair with steel cog cluster to create a 9 50t cassette Helix R 12 speed clusters are backward compatible with and can be used to upgrade an existing TRS+ 9 50 cassette Cassette Body Type: SRAM XD 11 12 Speed Drivetrain Speeds: 12 Material: Aluminum Tooth Count: 42 50