Bicycle Valve Stem Length
That is why we have created the below valve length to the rim depth chart.
Bicycle valve stem length. Unlike a schrader the system doesn t use a check valve it seals entirely based on pressure in the tube or tire. The presta valve also called french valve fv or sclaverand valve is a valve commonly found in high pressure road style and some mountain bicycle inner tubes it comprises an outer valve stem and an inner valve body. My friend s local bike shop stocks inner rubes that come in 42mm length. Dependent upon your bicycle fanaticism a discussion on how to choose a suitable valve length to fit your rim well could be brief or it could last for pages.
The valve stem opens by unscrewing a knurled textured nut at the top. Most stems i ve seen measure the entire length of the metal parts of the stem but not including the seperate plastic screw on cap. Right valve length is important to wheels rims. 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.
Therefore as we are unaware of your current position we will do our best to meet everyone somewhere in the middle. It might be even more fun if you have gone tubeless trying to find 80mm tubeless valves is fantastic fun when you are pushed for time. You then have a hectic morning trying to find tubes with the correct length valve or valve extenders to make tubes you already have fit. If your wheels are even deeper than the longest valve you can find you can buy valve extenders to add length to your valve.
These screw onto the valve and can add enough extra length to fit the deepest aero wheels. A lock nut to secure the stem at the wheel rim and a valve cap may also be present. I always assumed the longer valve stems were to allow the use of deeper aero wheels. All the good online bike shops will list the length of the valves on the various innertubes.
What is the ideal presta tube valve stem length. Active 5 months ago. Continental quality long valve inner tube from wiggle for 5 99 7 00 inner tube material. The outer valve stem is manufactured in various lengths for different applications and has a.
There s a range of lengths available. Ask question asked 7 years 10 months ago. So in your case you probably have a 36mm stem. Valve stem length maximum rim height.
I have noticed that presta tube valve stems come in various lengths.