E-Thirteen Helix 11 Speed Race Cassette - XD Driver - Intergalactic - 9-46T - 11 Speed YGroup_7033435750445 Cover: All three options feature

Cover: All three options feature a microfiber top for better comfort

By independently optimising the beginning

and asphalt

This product page is for the mounting bases

E-Thirteen Helix 11 Speed Race Cassette - XD Driver - Intergalactic - 9-46T - 11 Speed YGroup_7033435750445 Cover: All three options featureThe 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 11 speed cassettes have a huge 511% range and the aluminium 46 tooth cog is easily replaceable so riders can keep their steel cluster for multiple