Zipp Cognition Freehub Body Variant:Shimano (11-Speed) TechWALL — the lightweight TechWALL

TechWALL — the lightweight TechWALL casing for maximum rolling efficiency

Utah based

Nylon-resin axle locknut with 15mm wrench flats for install/removal

PRESS FIT 4130

Zipp Cognition Freehub Body Variant:Shimano (11-Speed) TechWALL — the lightweight TechWALLThe Cognition is our premium hubset with good reason. Its paired with our most advanced rim technology. This hubset rolls efficiently whether youre pedaling or coasting, thanks to our Axial Clutch V2 mechanism with its quick engagement, low friction, and high durability. The previous iteration of the Cognition hub used a magnet system for engagement before the Schweinfurt engineers switched to a more efficient system with a Sylomer mechanism. The