Schwalbe 2 x 28" / 700c Inner Tubes 700x32c With Presta Valves

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While the diameter for both 29″ and 700c wheels is the same at 622mm, rims made for mountain bikes are generally wider to accommodate wider tires. Sealants also add weight, but for the kind of everyday cycling application where you’d use them to prevent flats, you’re probably not going to mind an extra few grams. The fact that the annual household income for Ironman triathlon participants is a quarter of a million USD is crazy!

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As far as possible that means recommending equipment that we have actually reviewed, but we also include products that are popular, highly-regarded benchmarks in their categories. c” is the width code of the tire (as you would see if you looked at your bike from behind or in front). Presta valve stems are traditionally found on higher-end bikes due to their performance and are most often used by professional cyclists ( Source). When the 29 inch MTB tire size was introduced a few years ago it had the same inner diameter of 622mm, known as 28” in Europe. except on my Gravel build where one of my Gravel Kings was such a tight fit that I doubt I could repair it trailside, so I've got a Zefal inflator/sealer tube packed.g. 700 or 26”) but the tube’s width will vary depending on the amount you inflate them (like a kid’s balloon). Like kouhoutek said the same inner tube will a range of tyre widths, it will say something like “700 x 18-25c” meaning it is for road bikes and will fit anything from 700x18c up to 700x25c. Every few years a new inner tube technology pops up, usually involving high-strength exotic plastic; we discuss the latest one below. But always keep mindful that, should you experience slippery conditions such as loose gravel or ice, then it would better to swap to knobblier tires that will give a better grip in slippy conditions. Bierman tested a 100g butyl tube against an 80g latex tube, but you can get butyl tubes as light as 50g.

Bike Inner Tube Guide | Tredz Bikes

If you’re prepared and have got the right tools, then punctures might be a little frustrating but won’t ruin your day out. ISO size 622) is actually the same rim diameter as 700C, although most 29″ tires will not fit 700C road rims because they’re too wide. Presta valves are often used on road bikes which run at higher tyre pressures as well as mid to high-end mountain bikes.If you need a new inner tube as well, then you must be sure to match the diameter shown on your bike tires (for us that would be 700) with a width sizing range that also meets the diameter embossed on your tire (32 in our case).