Introducing the e*thirteen's Helix Cassette Cluster 9-39T 11 Speed Nickel Grey, an essential component to ramp up the performance of your bicycle. It presents an unparalleled 511% more range than any other cassette on the market, offering precision and resilience.

• Comprises of multiple sprockets of the following sizes: 9,11,13,15,17,20,24,28,33,39.
• Weighs an incredibly light 325g, making it ideal for performance-oriented cycling.
• Engineered to be compatible with both SRAM and Shimano 11 speed drivetrains, giving you the flexibility to switch between the two.
• Boasts improved shifting performance and interface between steel and aluminium clusters, ensuring smooth and efficient gear transitions.

With the Helix R 11 Speed Cassette, you can comfortably improve your SRAM Eagle? drivetrain, enjoying increased range over any other cassette in the market. The 9 tooth cog allows you to step down one chainring size while maintaining the same top end gearing. In addition, this cassette improves your bicycle's ground clearance and reduces the overall weight of the drivetrain.

Part of the Helix R's advantage is the easy-to-replace one-piece 46 tooth cluster. It enables riders to maintain their steel clusters across multiple seasons, thereby reducing the need for immediate replacements.

What does Helix Stand for?
Helix is a product series from e*thirteen which solves the problem of compatibility between different bicycle components. It bridges the gap between SRAM? and Shimano?, ensuring flexible and unflawed performance.

Compatibility
Despite the design challenges due to different cog spacing and chain behaviour, this cassette works perfectly well with Shimano? and SRAM? 11s drivetrains. Rest assured, your ride is future-proof with e*thirteen's Helix.

Service and Tech Support
Unlike SRAM Eagle?, Helix R cassettes come with replaceable gear clusters. This drastically reduces your ongoing servicing and replacement costs to less than half of that of SRAM? cassettes.