BL-M9120 Brake Lever

Improve your 11-speed range with a SunRace 11-speed cassette

for extra strength and durability

resulting in a forward and backward compatible system

E-Thirteen Helix 12 Speed Race Cassette - XD Driver - Orange - 9-50T - 12 Speed Dangerous Goods BL-M9120 Brake LeverThe 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