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 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. PRODUCT SPEC Compatibility Please reference our hub compatibility article to ensure the e*thirteen cassette will work on the hub you have before purchase. Freehub Mount XD™ and XDR™ Drivers Only Material 2 aluminum cogs, 10 steel cogs. PVD finishing on Intergalactic model improves durability and wear life. Range 578% Size 9-52T: 9, 11, 13, 15, 17, 20, 23, 27, 31, 36, 43, 52 Speeds 12 Speed Weight 404g