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e*thirteen components
Helix R 11 Cassette Cluster

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Why We Like the Helix R 11 Cassette Cluster

The e*thirteen Helix R 11 Cassette Cluster is a sweet upgrade to any SRAM or Shimano 11-speed drivetrain. Not only is it lighter than the flagship XTR and XX1 cassettes, but you'll also enjoy a considerably wider gear range thanks to the smaller 9-tooth cog. This gives you the option to step down one chainring size to get better low-end gearing on climbs, all while maintaining the same top-end gearing so you don't spin out on the descents. The Helix R works efficiently with both Shimano and SRAM 11-speed drivetrains, and the aluminum 46t cog is easily replaceable—allowing you to freshen up the granny gear without having to buy a whole new cassette.


  • Expand your range with this versatile, lightweight cassette
  • Works with Shimano and SRAM 11-speed drivetrains
  • 511% range is among the best offerings on the market
  • Intergalactic option comes with durability-enhancing PVD finish
  • Item #ETR1WVA
Cog Sizes
9 - 46t, 9 - 39t
Cog Material
1 aluminum cog, 10 steel cogs
1 cluster, 1 grease packet, 1 cassette spacer, 2 metal shims
Claimed Weight
11.5oz (325g)
Manufacturer Warranty
5 years

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