Description
e*thirteen Helix Race Cassette – 12-Speed 9-52t Eggplant. The e*thriteen Helix Race 12-speed 9-52t cassette is engineered to deliver precision shifting performance with an industry leading 578% gear range. The proprietary 9 tooth smallest cog combined with the 52t largest cog enables the use of a smaller chainring for improved clearance lighter system weight and a lower bail out gear ratio without high gear compromise.
Seamless cross-compatibility with Shimano SRAM and TRP 12-speed drivetrains
Patented 2-Part design provides strength stiffness light weight and ease of service
Aluminum and steel clusters can be replaced separately to reduce service cost
9 tooth high gear allows use of smaller chainrings for clearance and weight savings
Fits XD™ and XDR™ Drivers Only (Hope XD drivers are undersized at the clamp location and require a Cassette Shim Kit -Sold Separately)
Tested extensively for analog and e-bike use
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