Aussi la technologie Tubeless et les tests Zipp démontrent qu'avec une pression plus basse (maximum 5 bar) vous pouvez gagner jusqu'à 10 watts à 40km/h. SRAM Force eTap AXS groupset review Wider and faster than the 302, and tubeless only The new 303 S looks to be a versatile wheelset and it’s … Copyright © Dennis Publishing Limited 2020. We can certainly hypothesise that wider, softer tyres act as a suspension system isolating us from so much more of the bumps and road buzz, reducing considerable amounts of wasted muscular energy that is used to stabilise our bodies against the constant pounding forces. A standard track pump was fine, each time. At 40mm deep, it’s also 5mm shallower than the previous generation 303 Firecrest and the new 303 S wheelsets (which have 45mm deep rims). And speed and comfort aren’t mutually exclusive attributes. Georges MOMO is Computer Engineer ( Graduated in 3EV Limoges France) Gear Reviews Zipp 303 NSW Carbon Clincher Wheelset Review. I rode the Zipp 303 S wheels both on and off road and they performed admirably across both disciplines, but in terms of performance attributes it was easier to examine those and try to quantify any gains on the tarmac, so this is where I shall focus my thoughts. Externally it’s just 2mm wider than the 302 at 27mm compared to 25mm. Expanding greatly on its heritage of conquering the Spring Classics, this 303 wheelset maintains its ideal-for-every-terrain 45mm rim depth but adds a significantly wider internal width to provide greater performance and ride quality in almost every measurable way. Zipp’s NSW program represents the pinnacle of their engineering efforts — kind of like a skunkworks program. The 303 S borrows design concepts from the higher-level 303 Firecrest Tubeless Disc-brake wheelset to gain speed through increased efficiency. Les 303 Firecrest sont des roues profilées qui s’adressent aux cyclistes recherchant un gain aérodynamique, mais aussi une roue polyvalente et performante sur tous les terrains. And, yes, you read that correctly: 55psi. In ‘road mode’ Zipp’s own Tangente R28 tubeless tyres were my preferred option, as the profile the tyre had once inflated clearly made the best of the rim dimensions (as Zipp had based its own testing around this tyre width), in terms of appearing perfectly rounded and with the sought-after parallel sidewalls and almost seamless transition from tyre to rim. My experience with tubeless tyre fitting, in general, is it can still sometimes be a bit hit and miss, depending on even the tiniest variations in tolerances. Les Zipp 303 S sont rapides et offrent du confort. The wide rim optimizes tire profile to allow lower tire pressure. Zipp’s 303 Firecrest demonstrate the brand’s innovative technology perfectly. In ‘road mode’ Zipp’s own Tangente R28 tubeless tyres were my preferred option, as the profile the tyre had once inflated clearly made the best of the rim dimensions (as Zipp had based its own testing around this tyre width), in terms of appearing perfectly rounded and with the sought-after parallel sidewalls and almost seamless transition from tyre to rim. Zipp 303 is our go-to wheelset for all-roads ahead. So here’s the thing. Checking with a Vernier calliper revealed a 28mm tyre measured just under 30.7mm inflated to 55psi, so clearly the rim’s 23mm internal width was having a significant widening effect on the overall tyre volume, as Zipp promised. © Cyclocross Magazine That rim platform is designed to be the fastest with a 28mm tire. This was the pressure I was using whilst testing these wheels (on the road), as per Zipp’s own recommendations for my body weight (66kg) with 28mm tyres. They sell for $200 less at US$1300 (€1,100/£985). Cyclist™ is a registered trade mark. ACTUALITÉ Eurobike : Nouvelles roues … Campagnolo - 10 vitesses - 11-25, 12-23, 12-25, 13-26 et 13-29 - 250g . Technically, this wheelset is the successor to the 302 Disc Brake wheelset. La paire de roues Zipp 303 série S tubeless pour freins à disque offre aux cyclistes d'aujourd'hui la polyvalence qu'ils exigent et la vitesse qu'ils recherchent. The Zipp 303 S, the brand says, is a new wheelset that brings proven rim technology, and a host of new features to boot, down to a more affordable price point. Never did I feel like the tyres at 55psi were squidgy and draggy. Yes, some days I might have put it down to having favourable winds for certain portions of the routes and others just very little or no wind at all but there was nothing, beyond using these wheels and with tyres at such low pressures, that stood out to convince me as to why I might be faster, despite my legs putting out less oomph. CSS Engineering is involved in projects each customer as if it were his own. Zipp describes the new design as a 'versatile endurance wheelset for the modern road bike', indicating that it expects this model to be used both on and off tarmac. I think. We can certainly hypothesise that wider, softer tyres act as a suspension system isolating us from so much more of the bumps and road buzz, reducing considerable amounts of wasted muscular energy that is used to stabilise our bodies against the constant pounding forces. And speed and comfort aren’t mutually exclusive attributes. We put ourselves in the place of our customers, to align we incentives to their goals, and collaborate to unlock the full potential their business. With the 303 S’s modern rim shape, low weight, and a previously unheard of (for road) 55psi in tubeless 28mm tyres, I can say, the result is these wheels are undeniably fast. As such I can fairly accurately tell, quite quickly, what kind of shape I’m in based on riding these routes, and keeping track of a number of key data. The Division Is Free To Download And Keep On PC, Roku Streambar review: Big sound in a little body. I don’t have a wind tunnel or test lab in my garage at home but I do have over 20 years of elite level racing under my belt from which I have years of performance data based on my most regularly ridden training routes, for which I know intimately every single crease in the tarmac. 2021 Zipp 303 S Specs, Pricing & Other Trivia. ACTUALITÉ Roues carbone ZIPP 303 S Tubeless pour freins à disque 06/05/2020. Zipp is pairing the new 303 Firecrest wheelset with recommended pressures that will invariably raise a few eyebrows. At the same time one could also speculate that if we are able to ride more smoothly, our power delivery could be more efficient too. I know, thanks to the current lockdown, and an increase in the number of turbo sessions I’ve been doing lately, that my power numbers aren’t great during the time I’ve been testing the Zipp 303 S wheels. Zipp’s 303 S Tubeless Disc Brake wheelset provides today’s cyclists the versatility they demand with the speed they crave. I can’t really fault the 303 S: This wheelset has looks and performance attributes well beyond its price tag. The Zipp 303 Firecrest is unquestionably one of the most prestigious wheelsets on the market. But having set the Zipp 303 S wheels up with a variety of both road and gravel tyres - starting with Zipp’s own offerings in both cases but also competitor brands such as Michelin, WTB and Vittoria - every time tyre fitting and inflation was a cinch. That point I think now is well-established and beyond doubt, but there’s more to this than that alone. Zipp has launched a new version of its popular 303 Firecrest Tubeless Disc-brake wheelset that's said to be faster and considerably lighter than previously, and more capable over varied terrain. 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