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Control over Chaos

303 Firecrest® Tubular Disc-brake

Smooth is fast. That’s true even when the conditions and terrain get a bit chaotic… You know, cyclocross… gravel roads… steep lonely lanes… urban assaults. The Zipp 303 Firecrest Disc-brake wheelset is durable, lightweight and stiff while also providing the consistent and powerful performance of disc braking.

At the center of the 303 Firecrest Disc Tubular Disc-brake wheelset is a newly designed 11-speed compatible hub. Larger Swiss stainless steel bearings with a custom cartridge in the rear hub shell provide increased durability. The hub geometry and virtual 3-cross spoke-lacing pattern are optimized for reliability as well as exceptional stiffness, resulting in efficient power transfer and quick acceleration. The result is superior performance in conditions ideal for disc-brake riding.

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. You also get the unmatched stability and aerodynamic efficiency of the pro-proven 45mm deep 303 Firecrest rim.

It all adds up to a smooth ride. And as cyclocross and road veteran Tim Johnson likes to say, smooth is fast. “In dry conditions the one-finger braking can mean the difference between stuffing it up in the corner by sliding out, or keeping on the edge of the perfect racing line,” said Johnson, of the Cannondale p/b CyclocrossWorld.com Team. “In muddy and sketchy conditions, consistent braking, or having brakes at all help me stay in the right rut or give me the confidence to let it rip and push even harder than the previous lap.”

In other words, control over chaos.

The 303 Firecrest Tubular Disc-brake wheelset combines that innovative disc-brake-compatible technology with the credibility and heritage of one of Zipp’s most acclaimed wheelsets, the 303. The 303 Firecrest and its pioneering predecessor, the 303, have been ridden to victory in multiple editions of the two toughest cobbled classics, Tour of Flanders and Paris Roubaix, as well as a multitude of cyclocross victories and even a mountainous Tour de France stage in wet, miserable conditions.

In developing the original 303 wheelset, Zipp discovered that a wider rim increases lateral stiffness for sprinting and cornering while also providing greater vertical compliance for greater control, comfort and durability. That wider rim profile led us to develop our Firecrest technology, which revolutionized aerodynamic efficiency and stability for carbon wheels. The proprietary Firecrest rim shape optimizes the aerodynamic profile of the front half and – here’s the revolutionary part – the back half of the wheel. Firecrest moves the wheel’s center of pressure to be more in line with the steering axis for stability in even the stiffest crosswinds. All of that innovation along with the precision control of disc braking gives you a wheel that’s as smooth as it is tough.

The 303 Firecrest Tubular Disc-brake wheelset comes with two decal options, the stealthy Beyond Black or the distinctive Classic White decals. Both decal options feature black anodized hubs, black spokes and black nipples.

Wheels ship with Zipp integrated valve extenders and quick-release skewers.

11-speed compatible

Note: The hub width on the 303 Firecrest Disc-brake wheelset is 100mm for the front wheel and 135mm for the rear.

Available in July 2013


MSRP:

Front $1130/€1035
Rear $1370/€1265

Set Weight 1435g
Max recommended rider weight 250lbs
Front Wheel
Weight 660g
Hub Used 88 Disc Brake
Hub Width 100mm
Rim Depth 45mm
Brake Track Width (center) 26.40mm
Max Width 28.50mm
Spokes Sapim® CX-Ray
Spoke Count 24
Spoke Pattern 2 cross
Spoke Length 256mm
Max Tire Pressure 125psi
Max Tire Pressure 8.62bars
Track Adaptable No
Dimpled Surface Yes
Nipples Sapim®
External Nipples Yes
Rear Wheel
Weight 775g
Hub Used 188 Disc Brake
Hub Width 135mm
Rim Depth 45mm
Brake Track Width (center) 26.40mm
Max Width 28.50mm
Spokes Sapim® CX-Ray
Spoke Count 24
Spoke Length Non-Drive 264mm
Spoke Pattern Non-Drive Virtual 3 cross
Spoke Pattern Drive Virtual 3 cross
Spoke Length Drive 262mm
Max Tire Pressure 125psi
Max Tire Pressure 8.62bars
11-speed compatible hub Yes
Track Adaptable No
Dimpled Surface Yes
Nipples Sapim®
External Nipples Yes
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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