The 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