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Helix R 12-Speed Gravel Cassette

FW2HRA-100
Starting at
Regular price
€349.00
Sale price
€349.00

The Helix R 12-Speed 9-45T cassette extends legendary Helix shift performance and cross compatibility with SRAM™ and Shimano™ 12-speed drivetrains, to the light weight Gravel and XC marketplace.

  • Weighing in at a svelte 319g, this light weight engineering marvel offers an industry leading 500% gear ratio, due to e*thriteen's exclusive 9T highest gear cog.
  • Our 9T cog also also lets you step down one chainring size, while keeping the same top end gearing, meaning both better ground clearance and an overall lighter drivetrain.
  • Helix Cassettes were engineered with improved reliability of steel and aluminum assembly, and the 38-45T alloy cluster is easily replaceable so riders can keep their steel cluster for multiple seasons and freshen up the granny as needed without buying a whole new cassette.
  • Futureproof your bike, save weight, add gear range and spice things up with a touch of color with e*thirteen Helix-R cassettes.

**Not recommended for ebike use. For ebike applications we recommend our TRS+ e*spec or Helix Plus cassettes.**

 

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Product Spec

Compatibility

Works flawlessly with Shimano™ and SRAM™ 12s drivetrains*, despite the challenges in designing for the different cog spacing and chain behavior.

Please reference our hub compatibility article to ensure the e*thirteen cassette will work on the hub you have before purchase.

Freehub Mount
XD™ and XDR™ Drivers Only
Material
2 aluminum cogs, 10 steel cogs. PVD finishing on Intergalactic model improves durability and wear life.
Range
500%
Size
9-45T:9-11-13-15-17-19-22-25-28-32-38-45
Speeds
12 Speed
Weight
310 Grams

Tech Info

User manual
Frequently Asked Questions

Guaranteed to be free from defects in materials or workmanship for 5 years after original purchase