E-thirteen E*thirteen Helix R 11-Speed Cassette For SRAM XD Freehub Bodies – 9-46 Teeth – Nickel Grey – FW2URA-113

e*thirteen Helix – More Range, Less Weight

Helix components are engineered to bridge the compatibility gap between SRAM and Shimano components, ensuring versatility and flawless performance. Helix R cassettes have replaceable gear clusters. That means ongoing service and replacement costs will be less than half that of SRAM cassettes. Future-proof your bike with e*thirteen Helix.

The HELIX R 11 Speed Cassette is an upgrade to any SRAM Eagle or Shimano drivetrain. 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.

Highlights of e*thirteen Helix R 11-Speed Cassette

• 511% range: 9-46 Teeth: 9-11-13-15-17-20-24-28-33-39-46 
• Replaceable clusters: 9-39 tooth steel and 46 tooth aluminium cog
• Helix R11 cassette is 80g lighter than the TRS+ 9-46t 11-speed cassette
• Compatible with SRAM and Shimano 11-speed drivetrains
• Improved shifting performance
• Improved interface between steel and aluminum clusters

Advantages using the HELIX R 11 Speed Cassette

511% of impressive range. 9-46T: 9,11,13,15,17,20,24,28,33,39,46

ALL e*thirteen cassettes utilize two-piece construction, allowing for individual parts to be replaced as they wear

11 and 12 speed and 5 different colors available

Lighter than both XTR & XX1

Unlike SRAM Eagle, Helix R cassettes have replaceable gear clusters. That means ongoing service and replacement costs will be less than half that of SRAM cassettes.

Works flawlessly with Shimano and SRAM 11s 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 11s, you not only save money on the cassette, you don’t have to spend the extra on a new hub driver either.

The HELIX R 11 Speed Cassette is an upgrade to any SRAM Eagle drivetrain. And it is 80g lighter.

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 46 tooth cog is easily replaceable so riders can keep their steel cluster for multiple seasons and freshen up the granny gear as needed without buying a whole new cassette. The new Intergalactic PVD finishing option is twice as durable as anodized models.

Helix R is also available in a 345g 9-50T 12-speed configuration that’s compatible with both Shimano and SRAM Drivetrains.