E13 HELIX 12SP CASSETTE 9-50T

HELIX 12 SPEED CASSETTE – 9-50TThe 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 Helix R 12-speed road cassette Works flawlessly with Shimano and SRAM 12s XD / XD-R driver mount 2 aluminum cog paired with 10 steel cogs PVD finish for added durability 556% Range 345-Grams 9-50T Range: 9-11-13-15-17-20-23-27-31-36-42-50