One of the most common rubber lubricants is silicone grease, (which is often found in the plumbing section, because it is safe to use with rubber seals, o’rings, etc). But you would need to read the fine print, (and quite often, the fine print doesn’t tell you…). There are several lubricants that are safe to use with rubber (some synthetic oils?).Unless they have been specified for use with tyres, valve stems and their valves, their application can often cause materials such as rubber to perish and fail.You don’t want a sudden failure that leads to a rapid deflation of the tyre, a blowout! ( I added this section, as I had seen a few potentially dangerous practices when I was researching this article)… Replacing the Valve Stem – Do’s and Don’ts! The Different Types of Wheel Valve & Where They are Fitted: Wheel Valve Types Whereas with bicycles, there are two types, ‘Schrader’ and ‘Presta’ (Presta is smaller, for narrow bicycle wheel rims). There is usually only one type of valve fitted to an air filled wheel.
#Installing valve stem series
It was actually much easier and straightforward than I first thought. Replacing a valve stem may be a bit intimidating, because you have to break the bead of the tyre. Two pieces of wood (for breaking the bead of a tyre) (link opens in a new tab).To remove a wheel valve stem, you need the following Tools: Note:ĭo not try and repair the existing valve stem! Failure (a sudden loss of air) could be dangerous at speed (a blowout). To properly replace the valve stem, we need to ‘Break the tyre bead’.
#Installing valve stem how to
I have another article showing how to do this… ‘ How to Replace a Wheel Valve‘ (link open in a new tab)… If it’s only the valve that’s leaking (bubbles coming from inside the threaded part on top of the valve stem), only the ‘Schrader’ wheel valve needs to be replaced. Replacing a Tyre Valve Stem – A Perished Valve Stem with a large hole Therefore please take care (any work you may carry out is at your own risk). Any damage, or incorrect repair can cause a sudden loss of air which could be dangerous at speed (a blowout). Replacing the Valve Stem – Do’s & Don’ts!īe careful with tyres… A tyre is a pressurised container.The Different Types of Wheel Valve Stem:.They are designed to ‘snap-in’, but should be tight fitting to prevent loss of air. Replacing a valve stem is fairly straightforward and can be easy. Valve stems are designed to pull through the inside edge of the wheel rim… It could lead to sudden loss of air from the tyre, a ‘blowout’. Trying to replace a valve stem without breaking the bead of a tire could result in damage, as you are forcing the valve stem into the hole the wrong way. Inner O-ring seal helps keep the valve office clean and the knurled head design allows easy on and off access without the need of a wrench.How do I Replace a Valve Stem? Replacing a Valve Stem Without Removing the Tyre… Light weight at under 2.5 grams each, will not affect wheel balance or interfere with RFID signals. Premium alloy cap body with patented inert ABS insert. Clear UV resistant polyurethane doming enhances the carbon fiber weave and protects the surface from deteriorating and yellowing.Įach cap is finished in tooling grade anodization, semi-gloss black or bright satin. This combination incubates the valve stem threads from coming into contact with the outer aluminum construction.Ī perfect complement to our carbon fiber frames and a great way to add the finishing touch to your new wheels and tires, our beautifully made genuine carbon fiber cap accents are CNC router cut from beautiful carbon fiber sheet stock. Our patented design provides the quality of a German-made precision machined aluminum cap with inner ABS thread shield. Now if you are looking for the ultimate valve stem cap, look no further than our new alloy valve stem caps.
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