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Stans NoTubes Valve Stems - Black

Stans NoTubes Valve Stems - Black

Stan's lightweight aluminium valve stems are half the weight of their standard brass valves, weigh...

Best current price£9.99from Tredz

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Product Information

Full details

This guide is for cyclists looking to reduce rotational weight and improve tubeless tire setup. Stan's NoTubes Alloy Valves offer a significant weight saving over standard brass valves, making your wheels feel lighter and more responsive. A potential drawback is their aluminum construction, which may be more susceptible to damage from over-tightening compared to brass. Key features include lightweight aluminum construction, a secure round base for rim compatibility, and a removable valve core for easy sealant addition.

All features

Model Part Number847746038160
BrandStans NoTubes

Extended Product Information

FAQs

What is the weight of these alloy valve stems?

The 35mm stem weighs 8g, the 44mm stem weighs 9g, and the 55mm stem weighs 10g per valve.

Are these valves compatible with tubeless sealant injectors?

Yes, with the valve core removed, you can easily inject sealant using a syringe or injector bottle.

How do I choose the correct length valve stem?

Measure the depth of your rim from the inside of the rim bed to the outside. Choose a valve stem that is at least 10-15mm longer than this measurement to ensure proper sealing and inflation.

Can I use these on non-tubeless rims?

These valves are specifically designed for tubeless setups. While they may fit the hole in some non-tubeless rims, they are unlikely to create an airtight seal without proper tubeless rim tape and sealant.

Are these valves available in longer lengths?

Stan's NoTubes offers these alloy valves in 35mm, 44mm, and 55mm lengths to accommodate various rim depths.

How do I clean the valve stem?

Wipe with a damp cloth. If there is sealant residue, a mild soap and water solution can be used, followed by rinsing and drying.

What is the difference between these and brass valves?

Alloy valves are significantly lighter than brass valves. However, brass is a softer metal and may be more forgiving if over-tightened, whereas aluminum requires more careful handling.

Troubleshooting

Valve stem leaks air around the base

Ensure the valve nut is adequately tightened (finger-tight plus a small snug). Check that the rim tape is intact and sealing properly. Try adding a small amount of sealant around the valve base and spinning the wheel to allow it to seal.

Difficulty installing sealant

Confirm the valve core is fully removed. If sealant is clogging the core, clean it with a degreaser and reassemble. Ensure the valve stem is long enough for your rim depth to allow easy access.

Valve stem threads stripped

This usually occurs from overtightening. Unfortunately, stripped threads often require replacement of the valve stem. Always tighten gently and use the correct tools.

Tire won't inflate or hold pressure

Check that the valve core is properly seated and tightened. Ensure the tire bead is fully seated on the rim. Inspect the rim tape for any damage or gaps.

Pros and Cons

Pros

  • Significantly reduces rotational weight for improved acceleration and handling.
  • Durable aluminum construction suitable for demanding cycling conditions.
  • Easy tubeless sealant installation via the removable valve core.
  • Wide compatibility with most tubeless rims, especially Stan's own.
  • Available in multiple colors to personalize your bike.

Cons

  • Aluminum is more prone to damage from over-tightening than brass.
  • Lighter material might be perceived as less robust by some users.
  • Requires careful installation to avoid stripping threads.
  • Shorter lengths might not be suitable for all rim depths.

Setup, Compatibility & Care

Setup:

  1. Ensure your rim has a valve hole up to 8mm.
  2. If the valve stem is tight, a small amount of soapy water can aid insertion.
  3. Thread the valve nut onto the stem finger-tight. Ensure the stem is centered in the rim hole.
  4. *Carefully* tighten the valve nut with a 3-way spoke wrench or a small adjustable wrench. Do not overtighten, as this can damage the aluminum threads or the rim.
  5. Remove the valve core using a valve core tool.
  6. Add your preferred tubeless sealant through the valve stem.
  7. Reinstall the valve core and tighten it gently.
  8. Inflate the tire to seat the bead and check for leaks.

Compatibility:

  • Compatible with most tubeless-ready rims with valve holes up to 8mm.
  • Specifically designed for a perfect fit with Stan's BST and BST-R rims.
  • Fits valve depths of 35mm, 44mm, and 55mm (ensure you choose the correct length for your rim depth).

Care:

  • Regularly inspect the valve stem for any signs of damage, particularly around the base and threads.
  • Clean the valve stem and surrounding rim area periodically with a damp cloth.
  • Avoid using harsh chemicals or abrasive cleaners.
  • When removing or installing, always use appropriate tools and apply steady, controlled force.

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