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Zipp

Zipp 303 NSW Carbon Clincher Wheelset

  • 45 mm deep rims designed to be fast across all terrains
  • NSW technology is the ultimate design for maximum speed and efficiency
  • Tested on the cobbles of Arenberg, the 303s are incredibly robust
  • Only 1,425 grams
Zipp

£2,150

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Product Information

Built on the foundation laid by Firecrest, offering unrivaled crosswind stability and the most aerodynamically efficient rim design on the market, the 303 NSW takes it all to the next level. Like its siblings, 404 NSW and 808 NSW, top engineers in The Nest advanced development lab incorporated improved aerodynamics, industry leading braking performance, and reduced rolling friction to produce the lightest, highest performance 303 wheelset Zipp has ever made.

Full Specification

Light enough to fly up climbs, tough enough to excel in the cobbled classics, and with the industry's best available braking performance for the most technical descents, the 45mm deep 303 NSW is built for a singular purpose: To be fast, everywhere.
 
But the 303 NSW is no 'race day only' wheelset to be tucked away in a wheel bag until a race number is pinned to the rider's jersey. It's built to take the abuse of everyday training rides. Zipp has achieved this reliability at a lighter weight with a revised carbon fibre layup developed through testing on the famed cobbles of the Forest of Arenberg with the world's fastest riders.
 
Because the toughest roads often experience the toughest weather conditions, we've included Zipp's Showstopper™ brake track for braking performance that delivers the best modulation and shortest stopping distances in wet and dry conditions. And we've improved aerodynamics with our ABLC Sawtooth™ technology and Impress™ graphics to produce a rim that is as fast as it is stealthy.
 
At the center of the 303 NSW wheelset is our Cognition hubset. Built to provide the lowest rolling friction possible without compromising sealing, the hub's Swiss-made bearings work in tandem with our Axial Clutch™ technology to dramatically cut rolling friction when compared with conventional freehub systems. Bottom line: Cognition hubs make the 303 NSW fast, even when you aren't pedalling.
 
All of these technologies combine to build a wheelset that only NSW can produce, a wheelset with unrivaled performance. Wherever the road may take you, get there faster on Zipp 303 NSW wheels.
 


COGNITION™ HUBSET
Every time a conventional hubset starts to coast, friction within the freehub ratchet mechanism works like a drum brake to slow the rider down. With the Cognition hubset's Axial Clutch™ technology, we've reduced this drag by disengaging the ratchet mechanism when coasting. Our testing shows that the best traditional three-pawl hub designs have twice the rotating friction as our Axial Clutch equipped Cognition rear hub, and the most popular hubsets using a similar drive mechanism as Axial Clutch were found to produce four times the rotating friction.

 


SHOWSTOPPER™
When it comes to braking, “good for a carbon rim” wasn’t good enough for NSW. We wanted braking performance that was better than aluminium rims and any other carbon rim, and we’ve achieved that goal. Our industry leading silicon carbide Showstopper™ brake track delivers unmatched stopping power and modulation regardless of weather conditions or the length of the descent. With Showstopper™ braking performance, you’ll need to find another excuse not to ride on rainy days.
 


BORN OF SCIENCE. REALIZED BY HAND.
Zipp 303 NSW was developed using CFD (Computational Fluid Dynamics) post-processing software and months in the wind tunnel, including the Aerodynamic Bike Testing Facility at the ARC Wind Tunnel, a short drive from Zipp’s Indianapolis facility. We do this because, as one of our advanced development engineers, Dave Morse, is fond of saying, “The wind tunnel will never be replaced as the gut check for wheel design.” The advanced development engineers at The Nest took that data and created the rim shapes that became the 303 NSW.
 
All Zipp NSW rims are laid up, molded, drilled, and built in Indianapolis by Zipp technicians. Our expert wheel builders then hand lace the rims to our European-made Cognition hubset using Belgian Sapim CX-Ray spokes and Secure-Lock nipples to ensure precision alignment and even spoke tension. The end result is a handcrafted wheelset that stays fast and true for years to come.
 


Each Wheel Includes:
• Zipp Tangente titanium black skewer
• Zipp valve extender by Silca
• Zipp individual wheel bag
• Zipp Tangente Platinum Pro Evo brake pads
• Zipp Tangente tube 700c x 20-28mm
• Zipp rim tape 700c x 20mm