Continental Tubeless Presta Valve Set - 40mm
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Product Information
Full details
The Continental Tubeless Presta Valve Set - 40mm is designed for mountain bike enthusiasts looking to convert to or maintain a high-performance tubeless tire system. Its primary benefit is providing an airtight seal that minimizes leaks, allowing for consistent pressure during rugged rides. However, users should note that the 40mm length is best suited for shallower rim profiles and may be too short for deep-section carbon or aero wheels.
All features
| Model Part Number | 01400900000 |
|---|---|
| Brand | Continental |
Extended Product Information
FAQs
Are these valves compatible with road bike rims?
These are designed for mountain bike rims. They may be too short for most deep-dish road rims.
Do I need to use plumber's tape on the threads?
No, the seal is created by the rubber base against the rim, not by the threads.
Can I replace the valve cores?
Yes, the valves feature removable cores, and the kit includes a tool for this purpose.
What should I do if the lockring comes loose?
Simply hand-tighten the lockring against the rim to ensure an airtight seal.
Is this kit for one wheel or two?
This set includes two valves, which is enough for one bicycle (front and rear wheels).
Troubleshooting
Air leaking around the valve base
Check that the rubber gasket is seated correctly and tighten the lockring further. Ensure rim tape is not torn around the valve hole.
Valve core clogged with sealant
Remove the core using the provided tool and rinse it with warm water. Replace the core if the blockage persists.
Difficulty inflating the tire
Ensure the valve core is fully tightened and that the pump head is securely locked onto the Presta valve stem.
Pros and Cons
Pros
- Reliable and airtight seal for tubeless tires
- Includes essential valve core removal tool
- Durable build quality suitable for mountain biking
- Complete set for both front and rear wheels
Cons
- 40mm length is limited to standard rim depths
- Not compatible with standard tube-type valves
- Requires careful installation of the rubber base for proper sealing
Setup, Compatibility & Care
To install, ensure the rim bed is clean and properly taped with tubeless-ready rim tape. Insert the valve stem through the rim hole and tighten the lockring by hand until firm; avoid overtightening with pliers, as this can damage the rubber gasket. This set is compatible with standard Presta-drilled mountain bike rims. For maintenance, periodically check the lockring for tightness, especially after the first few rides, and clean any dried sealant out of the valve core using the provided tool if you notice slow leaks or difficulty inflating your tires.