E-Thirteen Helix 12 Speed Race Cassette - XD Driver - Purple - 9-50T - 12 Speed YGroup_7033403998253 2 x 24 x 20cm

2 x 24 x 20cm TORSO FIT RANGE 43-53cm WAIST HIP FIT RANGE 66-116cm MATERIALS 100D Robic Nylon Dobby / 210d Nylon Oxford

Spring style: Gas-charged cartridge

so you stay comfortable even when pushing hard

Using a non-corrosive mineral oil means maintenance is that little bit easier You can also combine the lever with Shimano's I-Spec II or Sram's Match Maker levers

as well as hubs

E-Thirteen Helix 12 Speed Race Cassette - XD Driver - Purple - 9-50T - 12 Speed YGroup_7033403998253 2 x 24 x 20cmThe HELIX R Cassette is an upgrade to any SRAM Eagle or Shimano drivetrain, with more range than any other cassette on the market. The 9 tooth cog lets you step down one chainring size while keeping the same top end gearing and provides not only better ground clearance but an overall lighter drivetrain. The improved tooth profile of the Helix cassette's features Shimano 12 speed level shifting performance with the improved reliability of a steel and