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Without Limits

303 Firecrest® Tubular Disc-brake

Zipp’s 303 Firecrest Tubular offers game-changing innovations for performance-minded cyclists. This wheelset was developed to meet the needs of our sponsored professional racers – road and cyclocross – as well as any cyclist who prefer the time-proven ride qualities of riding tubulars.

The 303 Firecrest Tubular Disc-brake features key technologies first developed for Zipp’s halo-level NSW wheelsets. Our ABLC™ Sawtooth™ dimple design that extends all the way to the edge of the rim. The rim features construction upgrades that deliver improved impact resistance. The Firecrest rim shape found optimizes the aerodynamic profile of both the front half and the back half of the wheel. In addition, Firecrest moves the center of pressure of the wheel closer to the steering axis, giving the 45mm-deep 303 Firecrest rim the crosswind stability a box-section rim. And because the 303 Firecrest has been optimized for wider tires, ride quality and tire stability are better than ever. All of this provides excellence AeroBalance™, which is how we define the optimization of aerodynamic efficiency and crosswind stability.

When it’s time to scrub off speed or stop, you won’t have to tense up and ‘grab a handful.’ You have the consistency and power of disc brakes – precision modulation and stopping power is at your fingertips. 

The cycle of innovation continues with the inclusion of the 77/177D hubset – proven durability and improved bearing protection with no pre-load adjustment needed.

  • Optimized flange geometry and spoke hole attachment pattern with Sapim® CX Ray spokes to optimize torsional and lateral stiffness and robustness.
  • Includes quick-release skewers with a wider more ergonomic handle to provide more leverage for opening and closing. When closed, the lever contours neatly with the frame.
  • For those looking for a wider gear range, or tackling especially extreme terrain, an XDR driver body for 177 is sold separately and easily installed to allow for more cassette options, including a 10-42. The hubset is designed to swap driver bodies without re-dishing the wheel.
  • Included tool-free replaceable axle end caps for both QR and thru-axle configurations
  • 6-bolt rotor interface

Each 303 Firecrest Tubular Disc-brake wheel includes:

  • Zipp Integrated Valve Extender with valve-core wrench
  • Quick release
  • Front wheels include axle end caps for QR, 15x100mm, and 12x100mm thru-axles
  • Rear wheels include axle end caps for QR and 12x142mm thru-axles
MSRP:

Front wheel:  $1,150, €1,200
Rear wheel: $1,350, €1,400

Set Weight 1410g
Max recommended rider weight (lbs) 250lbs
Max recommended rider weight (kg) 115kg
Front Wheel
Weight 655g
Hub Used 77D
Rim Depth 45mm
Brake Track Width (center) n/a
Max Width 28mm
Internal Width n/a
Spokes Sapim® CX-Ray®
Spoke Count 24
Spoke Pattern Non-Drive 2 Cross
Spoke Length Non-Drive 272
Spoke Pattern Drive 2 Cross
Spoke Length Drive 270mm
Max Tire Pressure 125psi
Max Tire Pressure 8.62bars
Track Adaptable No
Dimple Surface ABLC™ Sawtooth
Nipples Sapim® secure-lock
Tubeless No
Rotor Interface 6-Bolt
Rear Wheel
Weight 755g
Hub Used 177D
Rim Depth 45mm
Brake Track Width (center) n/a
Max Width 28mm
Internal Width n/a
Spokes Sapim® CX-Ray®
Spoke Count 24
Spoke Length Non-Drive 272mm
Spoke Pattern Non-Drive 2 cross
Spoke Length Drive 270mm
Spoke Pattern Drive 2 Cross
Max Tire Pressure 125psi
Max Tire Pressure 8.62bars
10/11-speed Compatible Hub Yes
XDR Compatible Yes
Track Adaptable No
Dimpled Surface ABLC™ SawTooth
Nipples Sapim® secure-lock
Tubeless No
Rotor Interface 6-Bolt
Firecrest

With the new proprietary Firecrest rim shape in our 202, 303, 404 and 808 Firecrest wheels, Zipp wheels make a bigger difference in more ways than ever. Not only is Firecrest more aerodynamic than any other rim design, it improves handling in crosswinds and overall ride quality.

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ABLC™  (Aerodynamic Boundary Layer Control)

Advanced Boundary Layer Control (ABLC) refers to the patented and instantly recognizable dimpled pattern found on all of our carbon rims. ABLC smoothes airflow across the rim's surface and is tailored to every model from the 202 to the Super-9 Disc. The third-generation of ABLC has up to four times more dimples than before.

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VCLC™  (Visco-Elastic Constrained Layer Control)

Visco-Elastic Constrained Layer Control (VCLC) uses a vibration-absorbing material sandwiched between layers of rigid carbon laminate in the rim. When the wheel receives an impact from the road, much of the shock is absorbed by the VCLC system, delivering a 10% reduction in vibration.

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Carbon Bridge™

Carbon Bridge uses a Kevlar® thread in a co-axial helix stitch to bind sheets of carbon to each other in our tubular rims. Because Kevlar is 350% more impact resistant than carbon, it can disperse shock more evenly throughout the carbon laminate, making for a rim that is practically bulletproof. In particular, Carbon Bridge reduces the vulnerability of the rim's tire bed, the area most susceptible to damage from impact.

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