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Ships within 48 hours · Estimated delivery Sep 6 - Sep 11
Laser etched
Forearm: 7
Pros: Far lighter and less bulky than standard tubes
Large - 34mm
Clamping diameter/bore: Available in 31
E-Thirteen Helix 12 Speed Race Cassette - XD Driver - Grey - 9-50T - 12 Speed YGroup_7033860849709 Laser etchedThe 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
