Contrast 700 x 23c Road Bike Inner Tubes Presta Valve ETRTO 622-23 (Pair)

Product Information

It is recommended to consult this privacy declaration regularly, so that you are aware of these changes. To inflate or deflate a Presta Valve, the top section must be unscrewed, allowing the core of the valve to be free to move. Suitable for, for example the tyre size 700x23C ETRTO size 19/25-700 and fitted with a 48 mm high Presta valve. To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. For this purpose, we use your e-mail address, telephone number, IP address, billing address, name and gender.

I don't care much about pressure since I do not intend to compete, just commuting and eventual light-training in the city. After that I was so careful not to over-inflate that I under-inflated the rear one and got pinch flats. Mountain bike riders will also often under inflate their tyres, sometimes quite significantly, to maximise grip, cornering, and shock absorbance. As the rim drilling is the same for both Woods and Schrader, it is easy to replace the older tubes with the more modern variety. or Free - USPS, B2C Europe, Airmail 5 ~ 10 workdays to Germany, France,Netherland,Belgium and United Kingdom 10 ~ 18 workdays Italy,Ireland,Finland,Norway,Austria and other EU country.For competitive road racing or time trial you might want to consider the weight, to gain a performance advantage, whilst for downhill mountain biking puncture protection is likely to be your highest priority.

They look like a cross between the two valves, with a wider lower section, like the Schrader, then a collar and a narrow top section, like the Presta.Wij gebruiken cookies en vergelijkbare technieken om het bezoek en winkelen makkelijker en persoonlijker te maken. In this high pressure valve, it is the air pressure that shuts the valve and then the closing of the top section that keeps it shut. With a quality butyl construction and a uniform design, this inner tube is puncture resistant and is easy to inflate. Highly recommended ⭐⭐⭐⭐⭐➕ Fast despatch time, packaged with care and attention and was just as described in the picture description. This gives you a qualitatively reliable inner tube that keeps the tyre at the required pressure for longer.