ZIPP 404 Firecrest Carbon Clincher Rear SRAM / Shimano
Wheels with 58 mm high rim profile has a long tradition in the arsenal of Zipp wheels. Since the early 90s, races are won on Zipp wheels of this height. And now more than ever. Since the introduction of zips Firecrest Profile Zipp could significantly improve the 404 wheelset in all areas.
With a maximum width of 26.5 millimeters, the rim has become much wider in comparison to its predecessor. This ensures even at 25 mm wide tires for a virtually seamless transition from the tire to the rim flange, which significantly reduces air resistance. Moreover, undergoes a wider tire better support what the cornering grip improved. By the bulbous Firecrest rim shape the rim width of the braking surface to the spoke holes remains approximately constant. This form was able to Zipp engineers that the wind resistance between the windward and leeward side of the rim or less balanced. This makes the Firecrest wheelsets even in strong crosswinds rather well. In order to save every watt of pedaling in the fight against the wind, and the 404 patented with zips ABLC Dimpleprofil equipped. Just like a golf ball these indentations are derived by micro-turbulence air flow with less resistance on the rim. This makes the wheel, even at a moderate angle of attack of 10 ° significantly faster compared to its predecessor. For more crosswind, the advantage is widening.
Carbon wheels are not exactly outstanding braking performance and good controllability of brakes known for. With the Carbon Clincher Zipp Technolgie could greatly improve this vulnerability. By a special carbon matrix at the brake surfaces, the rim has a braking rim which is almost at the level of aluminum. Also make high brake temperatures, as may occur during long downhill stretches, no danger to the rim is.
Is spoked with the rear wheel 24 Sapim CX-Sprint Straightpull blade spokes 177 to hub zips. This makes their optimized flange geometry for high rigidity and durability of the wheel. Furthermore, it provides an excellent bearing seal and adjusting the bearing clearance is no longer necessary. For those who prefer a wider translation for use in extreme terrain, one XD Freilaukörper for retrofitting is available.
Zipp that continually optimizes all details of their wheelsets, is also reflected in the revised rims stickers. These have become even thinner in order to adapt better to the dimple design and it was possible to save a few grams of weight.
The impeller may only be used with the following brake linings:
Zipp Tangente Platinum Pro Evo
Zipp Tangente High Performance Cork
Zip tangent Platinum Pro (first version of the tangent pads)
SwissStop® Black Prince
SwissStop® Yellow King
intended use : Road
Material Rim: Carbon
Wheels Type: carbon clincher for folding and clincher
Rim height: 58 mm
Maximum rim width: 26.53 mm
Rim width braking surface: 24.73 mm
Rim inner diameter: 16.25mm
Spokes: Sapim CX Sprint
Hub: Zipp 177
Freewheel: 10-, 11-speed SRAM / Shimano
axle type : 5x130 mm quick release
Color hub and rim: black, UD Carbon
Color Stickers: black, white, green, pink, red or blue
maximum tire pressure: 8.62 bar / 125 psi
Maximum rider weight: 115 Kg
Weight: 935g (manufacturer)
Delivery: rear wheel, rim tape, quick release, Zipp Evo brake pads, valve extension and manual
Installation: Please use the correct assembly of the instructions manufacturer .
INFO: only available for European + Russian Customers