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  • Zipp Zipp Cognition Freehub Body
  • Zipp Zipp Cognition Freehub Body
  • Zipp Zipp Cognition Freehub Body
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ZippZipp Cognition Freehub Body
$116.30 - $126.02

Item # ZIP006W

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  • Black, SRAM/Shimano, (Rim Brake) ($116.30)
  • Black, SRAM/Shimano, (Disc Brake) ($116.30)
  • Blue, Campagnolo, (Rim Brake) ($116.30)
  • Blue, Campagnolo, (Disc Brake) ($116.30)
  • Black, SRAM XD, (Rim Brake) ($126.02)
  • Black, SRAM XD, (Disc Brake) ($126.02)
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Item # ZIP006W
Description

Zipp into the future.

Your rims are no joke, but you've been known to guffaw at your hubs that just don't engage like they used to. This shouldn't mean that you've got to upgrade the whole wheelset, instead, upgrade your hoops with a new Zipp Cognition Freehub Body, and bring your wheel into the future with unmatched stability and stiffness. The hub is centered on Zipp's Axial Clutch mechanism, which features two Metal Injection Molding (MIM) ratcheting rings — one mated to the freehub body and one mated to the hub body. The two rings are machined like a ratchet, so they ramp off of each other while freewheeling but engage each other during pedal input.

Compared to a standard pawl design, which actually resembles a drum brake, the Axial Clutch's MIM rings engage laterally to reduce friction while freewheeling, so coasting doesn't negate watts already spent. We're familiar with this model, as we've seen similar mechanisms on the designer hubs featured in top-end custom builds for years now, but Zipp is the first to replace the usual tensioning agent, steel springs, with magnets. This substitution further reduces friction between the ratcheting rings, making for what may be the smoothest freewheel on any mass-produced hub set. It's a design that we suspect will eventually be the norm, but — once again — Zipp is leading the charge.

  • Upgrade your wheels with a stiffer, faster hub
  • Axial Clutch with MTM ratcheting rings ramp you forward
  • Magnetic tension reduces friction while freewheeling
  • Ratcheting freehub resembles boutique model on custom wheels
  • 10-degrees of engagement for near instant propulsion
  • Low-drag coasting for boost in speed down windy canyons
Tech SpecsWeight
Tech Specs
Recommended Use
cycling
Manufacturer Warranty
2 years
Weight

Actual Weight

Actual weights are measured in-house by the Competitive Cyclist team.

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Grams

Oz

Black, SRAM/Shimano, (Rim Brake)
41g
1.45oz
Black, SRAM/Shimano, (Disc Brake)
42g
1.48oz
Blue, Campagnolo, (Rim Brake)
41g
1.45oz
Blue, Campagnolo, (Disc Brake)
42g
1.48oz
Black, SRAM XD, (Rim Brake)
41g
1.45oz
Black, SRAM XD, (Disc Brake)
42g
1.48oz

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