e*thirteen Launch their New Helix Wide Range Cassette

Oct 9, 2020
by e*thirteen components  

Press Release: e*thirteen

What is Helix?
Helix components are engineered to bridge the compatibility gap between SRAM™ and Shimano™ components, ensuring versatility and flawless performance. Future-proof your bike with e*thirteen Helix.


The Helix Advantage
The Helix R 12 Speed Cassette is an upgrade to any SRAM Eagle™ 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 aluminum one-piece 42/50 tooth cluster is easily replaceable so riders can keep their steel cluster for multiple seasons and freshen up granny as needed without buying a whole new cassette.

Helix R is also available in a 325g 9-46t 11 speed configuration that’s compatible with both Shimano™ and SRAM™ Drivetrains.


Choose from 4 anodized colors or the twice as durable intergalactic PVD finish

Works flawlessly with Shimano™ and SRAM™ 12s drivetrains despite the challenges in designing for the different cog spacing and chain behavior. Additionally, if your wheel has a SRAM™ XD™ Driver and you want to upgrade to Shimano™ 12s, you not only save money on the cassette, you don’t have to spend the extra on a new hub driver either.

Service & Tech Support
Unlike SRAM Eagle™ cassettes, the Helix R cassettes have replaceable gear clusters. That means ongoing service and replacement costs will be less than half that of SRAM™ cassettes. As an added bonus, Helix R 12s clusters are backward compatible with and can be used to upgrade your existing TRS+ 9-50 cassette.

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12 SPEED - 345g
556% More range than any other cassette on the market
9-50T: 9,11,13,15,17,20, 23,27,31,36,42,50
Replaceable gear clusters
Reverse compatible with TRS+ 9-50t
MSRP $289/ €289
11 SPEED - 325g
511% Range
9-46T: 9,11,13,15,17,20,24,28,33,39,46
Replaceable gear clusters
MSRP $289 / €289

The new Helix cassette is now available online. Learn more here.


  • 1 0
 Interested, but do all teeth come straight? Had some inconsistencies with a couple e13 cassettes before. Granted I had a good one too.
  • 1 0
 they should make a cassette with cogs closer
  • 1 0
 close ratio casstte

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