E-Thirteen Helix R Cassette - 11-Speed 9-46t Nickel/Gray

e*thirteen Helix R Cassette - 11-Speed 9-46t Nickel/Gray. Upgrade your SRAM™ Eagle™ or Shimano™ drivetrain with the HELIX R Cassette, offering a wider gear range than most cassettes available. Featuring a 9-tooth smallest cog, this cassette allows you to reduce your chainring size while maintaining the same top-end gear ratio. This results in improved ground clearance and a lighter overall drivetrain, enhancing your bike’s performance and handling.

• 1 aluminum cog and 10 steel cogs for optimal strength and weight balance
• Specifically designed for compatibility with XD™ and XDR™ driver bodies only