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The Stans NoTubes Alloy Valves are designed for cyclists seeking a lightweight and reliable tubeless valve solution. They offer a significant weight reduction compared to standard brass valves, making them ideal for performance-oriented builds. While they provide a secure fit for most tubeless rims, users should ensure compatibility with their specific rim type. Key features include their low weight, durable aluminum construction, and a removable valve core for easy sealant addition and maintenance.
| Model Part Number | WH-NT-226 |
|---|---|
| Brand | Stans NoTubes |
Yes, the removable valve core allows for the use of CO2 cartridges, but it's generally recommended to use sealant with CO2 as it can cause sealant to dry out faster.
The 44mm Stans NoTubes Alloy Valve stem weighs approximately 9 grams.
These valves are specifically designed for tubeless setups. While they might fit in a standard tube valve hole, they are not intended for use with inner tubes and may not seal properly.
The frequency of adding sealant depends on riding conditions and sealant type, but typically every 3-6 months is recommended. Check your sealant level when you notice a slight loss of pressure.
The main difference is weight: alloy valves are significantly lighter than brass valves. They are also available in more color options. Brass valves are generally considered slightly more durable but heavier.
The valves are sold as a pair and typically come with valve nuts. Spare valve cores can be purchased separately if needed.
They are available in 35mm, 44mm, and 55mm. Choose the length that best suits your rim depth to ensure the valve stem protrudes sufficiently for easy inflation without being excessively long.
Ensure the valve nut is adequately tightened (hand-tight is usually sufficient). Check that the rubber base is seated correctly against the rim. Inspect the rim tape for damage or ensure it's properly installed and sealed.
Make sure the valve core is fully unscrewed and removed. Check if the valve core itself is clogged with dried sealant; if so, clean or replace it. Ensure your sealant syringe or bottle tip fits snugly onto the valve stem.
Gently tighten the valve nut further. If it continues to feel loose, there might be an incompatibility with the rim or the valve hole may be too large. Inspect the rim's valve hole for any damage.
If the stem is slightly bent, you may be able to carefully straighten it. If it is severely bent or damaged, it is recommended to replace the valve stem.
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