Road Bike Valve Length

Road bike valves are called presta. The oem ones are funnily enough the perfect length and also unthreaded so my pumps clamp on brilliantly. Don t forget you need a valve length that s a few centimetres longer than the depth of your rim don t get a 50mm valve for a 50mm rim.

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I ve got a michelin airstop innertube in front of me with a 40mm valve and can confirm that the 40mm is the overall length from the base to the extreme end of the valve.

Road bike valve length. A friend is about to buy a road bike that comes with semi. Mountain bike tyre sizes are usually stated in inches. Furthermore it requires more knowledge than one might assume to use correctly. My friend s local bike shop stocks inner rubes that come in 42mm length 45mm length 60mm length 65mm length 80mm length and 82mm length.

This size specific approach goes a long way to getting you set up with the correct stem length providing you ve chosen the right size frame another area where a bike fit comes in useful. The shop i bought the bike from gave me a spare tube as part of the purchase but the valve was far too long. So a 29 inch mtb tube will have the same diameter as a 700c road wheel while a 27 5 inch tube will be the same diameter as a 650b road wheel. Schrader valves will not fit your bike wheels.

Best road bike tyres. You will not be able to use the pump at your local fuel station to pump up tires with a presta valve. The depth of the rims is 42mm. How can i choose the right valve length.

Valves only need to be long enough to get a good fit with your pump. All the good online bike shops will list the length of the valves on the various innertubes. I always assumed the longer valve stems were to allow the use of deeper aero wheels. For such a small component the bike tire valve plays a significant role in ensuring the overall success of a ride.

Generally speaking stem lengths on road bikes vary from 80 to 140mm with 100 to 110mm perhaps the most common sizes. I m about to order a couple of spare inner tubes for my road bike. According to the good folks at world class cycles the formula is rim height height required for pump head 25mm standard valve height 36mm 06 05 2014 5 tricrossrich. Another example might be 700 x 18 23c which seems less obvious but 700c is the diameter of road cyclocross adventure road and hybrid bike wheels and the numbers relate to the width in millimetres so 18mm 23mm wide.