Zipp 303 Firecrest Tubular Rim 700c Rear Wheel

Zipp’s 303 Firecrest Tubular rim-brake wheelset offers key innovations for performance-minded cyclists. This is the
game-changing wheelset designed to conquer Roubaix and Flanders. Retaining their versatile 45mm rim depth, 303
Firecrest Tubular rims feature construction designs for impact protection. When it comes to pure speed, the 303
Firecrest Tubular packs a serious punch. It’s lightweight with ABLC™ Sawtooth™ Technology, a complex dimpling pattern
first developed for our top-level NSW wheel lineup. This technology helps to achieve the optimization of low
aerodynamic drag and crosswind stability, which we call AeroBalance™. Zipp’s ShowStopper™ textured braking surface
delivers unrivaled rim braking performance in wet or dry conditions. At the center of the 303 Firecrest Tubular
rim-brake is a new versatile and durable hubset, the German-engineered ZR1.

Technologies

Showstopper

Our industry leading Showstopper brake track continues to evolve and improve, providing unmatched stopping power and
modulation regardless of weather conditions or the length of the descent.

ABLC SawTooth

ABLC Sawtooth dimple design helps manage air flow around the rim, and contributes to create a faster, more stable
wheel.

AeroBalance

Zipp’s sole mission is to help you go faster. That’s why their wheels are race-ready before they’re camera-ready. For
years, Zipp has used a combination of testing methods – wind tunnel, CFD computer simulations, pro athlete
evaluations, on-road testing, and the RollingRoad ride simulator – to refine aero performance to new levels of
excellence. Over the decades of innovation, Zipp’s engineers have learned to look beyond just focusing on simply
reducing
aero drag. Instead, the goal now is to reduce aero drag while also minimizing the effects of crosswinds on handling.
This optimizing of aero efficiency and crosswind stability became known internally at Zipp as AeroBalance. The
approach began with Firecrest technology and has been advanced with the introduction of the NSW lineup, especially
with the Sawtooth technology found in the 454 and 858 NSW. Sawtooth accomplishes this with a series of patented
fin-shaped Hyperfoil nodes along the inner diameter of the rim that work together with their new HexFin ABLC dimples
for improved airflow.

Features

• Zipp graphics and cosmetic identity that scream speed
• Go-anywhere 45mm rim depth tubular pro-proven in the Spring Classics
• New ZR1 hubset is engineered in Germany with better seal design for improved durability and quicker response with
  66 points of engagement
• Built with Sapim CX Sprint J-bend spokes
• XDR™ or SRAM/Shimano driver bodies
• Ships with Quick Release end caps, quick release skewers
• Campagnolo driver body sold separately
• Showstopper™ textured brake track delivers the best modulation and shortest stopping distances in wet and dry
  conditions.

Specifications

• Size: 700c
• Rim Construction: Carbon
• Hub: ZR1 Rim Brake
• Tyre Compatiblility: Tubular
• Rim Depth: 45mm
• Brake Compatiblility: Rim
• Driver Body Type: SRAM XDR, SRAM / Shimano Road
• Max Recommended System Weight: 250lbs / 114kg
• Max Tyre Pressure: 125psi / 8.6bar
• Rim Finish: UD fiber, adhesive decals
• Rim Profile: Symmetrical
• Spoke Length: 260mm, 268mm
• Weight: 1330g
• Weight Based On: Lightest configuration: Quick Release axles and XDR body. No tape or valve included in weight.
  Front: 588g Rear: 742g