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The e*thirteen Helix Race sprocket cluster serves as a spare part for your Helix Race 12-speed cassette. This means you do not have to replace the entire cassette when it wears out.
Helix components are engineered to bridge the compatibility gap between SRAM and Shimano components, ensuring versatility and flawless performance. Helix R cassettes have replaceable gear clusters. That means ongoing service and replacement costs will be