E-Thirteen Helix 12 Speed Race Cassette - XD Driver - Purple - 9-50T - 12 Speed Heavy/Bulky Number of gears: This is

Number of gears: This is an 11-speed cassette

Built For: XC/TRAIL/AM/ENDURO

Last/Width type: Not specified

A downward point noise to avoid getting caught on the nose as you move your weight backward

E-Thirteen Helix 12 Speed Race Cassette - XD Driver - Purple - 9-50T - 12 Speed Heavy/Bulky Number of gears: This isThe 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