e*Thirteen Helix Race 12-Speed Cassette - Black

HELIX RACE 12-SPEED 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 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