More Range, Less Weight.

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 R Cassette is an upgrade to any SRAM Eagle or Shimano 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.

Features

The most range in the galaxy - 556% is more range than any other cassette on the market
Durable and serviceable - Helix R features replaceable gear clusters and the new Intergalactic PVD finishing is twice as durable as anodized models. And it is 60G lighter.
All the options - 11 or 12 speed and 5 different colors
Low weight - Lighter than both XTR & XX1
Compatibility - Both the Helix R 11 and 12-Speed Cassettes work flawlessly with Shimano and SRAM 12s drivetrains, despite the challenges in designing for the different cog spacing and chain behavior.
Cost Saving - The aluminum one-piece 42/50 tooth 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.

Specifications

Size (11 Speed) 9-46T: 9,11,13,15,17,20,24,28,33,39,46
Range 511%
Material 1 aluminum cogs, 10 steel cogs. PVD finishing on Intergalactic model is twice as durable.
Weight 325g
Compatibility

XD and XDR Drivers Only

Works flawlessly with Shimano and SRAM 11s drivetrains, despite the challenges in designing for the different cog spacing and chain behavior.

Note: 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 and don’t have to spend the extra on a new hub driver.

**Not recommended for ebike use.

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