The Zipp Cognition Freehub Body is our go-to hubset for rolling at high speeds during our high-performance road cycling endeavors. Paired with Zipp's most advanced rim technology and the Axial Clutch V2 mechanism, this freehub body will roll with unmatched efficiency, whether coasting down a descent or sprinting to the finish line. It also uses a Sylomer mechanism, which acts as a push spring to increase the contact surface area between the ratchet and spring for added consistency in engagement and improved durability.
Trustpilot
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