Maybe you brought the bike into your local and they've said it's time to replace it but you'd love to check for yourself

as they'd only slow you down

3D moulded VPD protection

Data reported with +/- 2% accuracy at

E-Thirteen Helix 12 Speed Race Cassette - XD Driver - Intergalactic - 9-50T - 12 Speed PLP|Model Year Maybe you brought the bikeThe 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