Description
WITHOUT LIMITS
Zipp’s 303 Firecrest Tubeless rim-brake wheelset is an all-around wheelset for a new era of road riding. It’s rich in heritage yet loaded with innovations. It’s as adept in the mountains as it is on rolling hills, windswept farm lanes, or ferocious field sprints. At Zipp, we never rest on laurels. This wheelset features a 19mm internal width and is tubeless ready. That means you can run lower tire pressure for greater cornering grip and compliance with reduced rolling resistance without the risk the pinch flats. When it comes to pure speed, the 303 Firecrest Tubeless 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 Tubeless rim-brake is a new versatile and durable hubset, the German-engineered ZR1.
FEATURES
- New Zipp graphics and cosmetic identity that scream speed
- New ZR1 hub 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
- Tubeless ensuring secure performance even when ridden at lower tire pressures
- Versatile 45mm rim profile that’s fast, stable and versatile
- ABLC Sawtooth™ dimple design helps manage air flow around the rim, and contributes to create a faster, more stable wheel
- Showstopper™ textured brake track delivers superior modulation and shortest stopping distances in wet and dry conditions
- XDR™ or SRAM/Shimano driver bodies
- Ships with QR end caps, quick release skewers
- Campagnolo driver body sold separately
SPECIFICATIONS
Orientation (wheels): Rear
Size (wheels): 700c
Rim construction: Carbon
Tire compatibility: Clincher Tubeless Ready
Rim depth: 45mm
Surface texture: ABLC Dimples
Brake compatibility: Rim
Rim - inside width: 19mm
Rim profile: Symmetrical
Rim finish: UD fiber, adhesive decals
Color (Decal): Standard
Nipple material: Aluminum
Nipple anti-rotation: Sapim Secure-Loc
Spoke type: CX-Sprint
Spoke count: 24
Spoke pattern: 2 Cross
Hub: ZR1 Rim Brake
Driver body type: SRAM/Shimano Road
Color (hub): Black
Axle type (Wheels): QR 135
Axle material: Aluminum front & rear
Bearings: Cartridge - Stainless Steel
Driver Mechanism: 6 Pawls Leaf Spring
Driver body material: Aluminum
Max tire pressure: 125psi
Max recommended rider weight: 250lbs
Part Weight (g): 842
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