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e*thirteen expanded drivetrain possibilities for every rider with our original 9-50T Helix Race Cassette with 533% gear range. Our proprietary 9t sprocket and patented two-piece construction gave riders an unprecedented ability to build the drivetrain of their choice.
Now, we’ve built on that winning formula and added a 52T sprocket for an eye-watering 578% total range.
Love to grind climbs? Throw on a 28T chainring and go pull some stumps. Hungry for top speed? Push a big ring, comfortable in the knowledge that you’ve got the most gear range you can get from a single-ring, 12-speed setup.
PRODUCT FEATURES
Widest range in the galaxy at 578%
Compatible with SRAM®, Shimano®, and TRP® Shifters and Derailleurs of the same gearing count and similar cage capacity
2-piece forged/machined design provides ease of assembly/service and reduces waste
Aluminum and Steel clusters can be replaced separately to reduce service cost
43-52t aluminum cluster backward compatible with 9-50T Helix Plus or Race cassettes
Unique 9T high gear allows use of smaller chainrings for clearance and weight savings
5 bright anodized or PVD color options
Tested extensively for analog and e-bike use
*Hope XD drivers are undersized at the clamp location and require a Cassette Shim Kit.
Compatibility
Compatible with SRAM®, Shimano®, and TRP® Shifters and Derailleurs of the same gearing count and similar cage capacity. Please see the following article for important information when using our cassette on Shimano drivetrains: https://support.ethirteen.com/hc/en-us/articles/31941918361755-Important-info-about-cassette-compatibility-with-Shimano-Drivetrains
Please get in touch with us if you have specific questions about compatibility with your drivetrain.
Freehub Mount
XD™ and XDR™ Drivers Only
Material
2 aluminum cogs, 10 steel cogs. PVD finishing on Intergalactic model improves durability and wear life.
