HELIX RACE 12-SPEED 9-52T CASSETTE

MOST RANGE. CROSS COMPATIBLE. 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% Cross compatibility with Shimano, SRAM, and TRP drivetrains and chains 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 Un