Top-of-the-line road cassette with the bulk of the cogs machined in one piece of tool-grade steel for low weight, no cog flex and high durability. Largest cog is aluminum.
- Stealth Rings between the cogs minimize chain noise
- Hollow steel dome makes for the stiffest gear cluster ever at the lightest weight
- 11 speed cassettes with 11 tooth cogs have the smallest cog located behind the cassette in the packaging
Product Specifications
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