Road Bike Valve Length

Valves only need to be long enough to get a good fit with your pump. How can i choose the right valve length. Schrader valves will not fit your bike wheels.

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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.

Road bike valve length. I m about to order a couple of spare inner tubes for my road bike. You will not be able to use the pump at your local fuel station to pump up tires with a presta valve. I always assumed the longer valve stems were to allow the use of deeper aero wheels. 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.

Furthermore it requires more knowledge than one might assume to use correctly. Best road bike tyres. The depth of the rims is 42mm. Road bike valves are called presta.

A friend is about to buy a road bike that comes with semi. Mountain bike tyre sizes are usually stated in inches. 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. The oem ones are funnily enough the perfect length and also unthreaded so my pumps clamp on brilliantly.

For such a small component the bike tire valve plays a significant role in ensuring the overall success of a ride. 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. All the good online bike shops will list the length of the valves on the various innertubes. Generally speaking stem lengths on road bikes vary from 80 to 140mm with 100 to 110mm perhaps the most common sizes.

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. 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. The shop i bought the bike from gave me a spare tube as part of the purchase but the valve was far too long. 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.