The e*thirteen HELIX R 12 cassette is an upgrade to any SRAM Eagle or Shimano drivetrain, and offers more range than other cassette options. 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.
Helix R is durable and serviceable, with replaceable gear clusters
Works flawlessly with Shimano and SRAM drivetrains
Cassette Body Type
SRAM XD 11/12 Speed
9- 11- 13- 15- 17- 20- 23- 27- 3
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