E*Thirteen’s new drivetrain-agnostic, 12-speed Helix Race cassettes are offered in a close-range 13-52T gear spread and an ultra wide-range 9-52T version. Check them out here…

E*Thirteen just expanded their line of beautifully machined cassettes to include the new Helix Race series, featuring two new cassettes with unique gear spacing. The E*Thirteen Helix Race cassettes come in two variations: the Helix Race 12-Speed 9-52T Cassette and the Helix Race 12-Speed 13-52T Cassette. Both cassettes are compatible with XD and XDR free hubs only, are made from 2 aluminum and 10 steel cogs, and are cross-compatibile with Shimano, SRAM, and TRP drivetrains and chains. They have replaceable aluminum and steel clusters, and are offered in five bright anodized colors or a PVD finish for improved durability and wear life. Find specs on each below.

EThirteen Helix Race

E*Thirteen Helix Race 12-Speed 9-52T Cassette

The 9-52T cassette is simply an expanded version of their 9-50T model. Pair it with a tiny 28T chainring and climbing might never be a problem again.

  • Gears: 9, 11, 13, 15, 17, 20, 23, 27, 31, 36, 43, 52T
  • Gear Range: 578%
  • Material: 2 aluminum cogs, 10 steel cogs
  • Weight: 392 grams
  • Price: $345 USD
  • Manufacturer’s Details: EThirteen.com
  • EThirteen Helix Race
  • EThirteen Helix Race

E*Thirteen Helix Race 12-Speed 13-52T Cassette

Originally designed for e-bikes, the 13-52T cassette narrows the ratio percentages between gear shifts and pushes the gearing lower for a propensity toward low-speed climbing—or loaded bikepacking, perhaps.

  • Gears: 13, 15, 17, 19, 22, 25, 28, 32, 36, 40, 45, 52T
  • Gear Range: 400%
  • Material: 2 aluminum cogs, 10 steel cogs
  • Weight: 467 grams
  • Price: $345 USD
  • Manufacturer’s Details: EThirteen.com
  • EThirteen Helix Race
  • EThirteen Helix Race

Check out the rest of E*Thirteen’s cassettes, including the rest of the Helix line, over at EThirteen.com.

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