eThirteen Helix Race 9-52 Cassettes

e*thirteen expanded drivetrain possibilities for every rider with our original 9-50T Helix Race Cassette with 533% gear range. The proprietary 9t sprocket and patented two-piece construction gave riders an unprecedented ability to build the drivetrain of their choice.
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.