Zipp 303 Firecrest Tubular road front wheel

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 as well as any cyclist who prefer the time-proven ride qualities of riding tubulars.

- Zipp’s original 303 made history by becoming the first carbon wheelset to win cycling’s two most famous Cobbled Classics, Paris-Roubaix and the Tour of Flanders. The 303’s wider rim provided extra durability, and improved aerodynamics. That wider rim also led to the development of our revolutionary Firecrest® technology. Throughout its history, the 303 has consistently served as a go-to wheelset for pros that need a versatile wheel offering an outstanding blend of aerodynamic performance and stability, climbing agility, and outstanding durability on rough roads and cross courses.

- The 303 Firecrest Tubular features key technologies first developed for Zipp’s halo-level NSW wheelsets. Our Showstopper™ textured brake track delivers the best modulation and shortest stopping distances in wet and dry conditions. The ABLC™ Sawtooth™ dimple pattern helps reduce high yaw drag and improve crosswind stability. The Firecrest rim shape 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 close to the steering axis, giving the 45mm-deep 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.

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


Features:

- Optimized flange geometry and spoke hole attachment pattern with Sapim® CX Sprint 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.

Each 303 Firecrest Tubular wheel includes:
- Tangente Platinum Pro Evo brake pads
- Zipp Integrated Valve Extender with valve-core wrench
- Quick release


Specifications:

- Set Weight: 1339g

Front Wheel:
- Hub Used: 77
- Weight: 593g
- Spoke Count: 18
- Spoke Pattern: Radial
- Track Adaptable: No
- Max Tire Pressure: 125psi
- Spoke Length: 260mm
- Rim Depth: 45mm
- Max Width: 28mm
- MSRP USA ($): 1035
- Part number: 001900071000
- Brake Track Width (center): 26.5mm
- Max Tire Pressure: 8.62bars
- Spokes: Sapim® CX-Sprint
- Nipples: Sapim® secure-lock
- Internal Width: n/a
- Dimple Surface: ABLC™ Sawtooth
- Tubeless: No
- Rotor Interface: n/a

Rear Wheel:
- Hub Used: 177
- Weight: 746g
- Spoke Count: 24
- Spoke Pattern Non-Drive: 2 cross
- Spoke Pattern Drive: 2 cross
- Track Adaptable: No
- Dimpled Surface: ABLC™ SawTooth
- Max Tire Pressure: 125psi
- Hub: 24
- Spoke Length Non-Drive: 272mm
- Spoke Length Drive: 270mm
- Rim Depth: 45mm
- Max Width: 25.0mm
- MSRP USA ($): 1365
- Part number - CA: 001900071020
- Part number - Shm: 001900071010
- Brake Track Width (center): 26.5mm
- Max Tire Pressure: 8.62bars
- Spokes: Sapim® CX-Sprint
- Nipples: Sapim® secure-lock
- XDR Compatible: Yes
- Internal Width: n/a
- 1 0/11-speed Compatible Hub: Yes
- Tubeless: No
- Rotor Interface: n/a


Rim:
- VCLC: 1182
- M2CM: 1391
- Max. Tire Pressure: 285psi


Rim Used:
- Hole Count: 529
- Carbon Bridge: 18
- M2CM: Radial
- Max. Tire Pressure: Yespsi


Hub Used:
- Shimano Compatible: Yes
- Weight: Upgradeg
- SRAM Compatible: No
- Alcoa 7xxx Forged: 285
- Campagnolo Compatible: 188
- Hole Count: 653


Hub:
- Weight: Crossg
- Shimano or Campy: Radial
- Shell: No
- Axle: Yes
- Alcoa 7xxx Forged: Upgrade
- Freehub Body: No
- Recommended Tire Width: 21-35mm
- Max recommended rider weight (lbs): 250lbs
- Brake Track Width (center): 26.45mm
- Max recommended rider weight (kg): 115kg


Technology:

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.

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.

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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