Oxford No 8 Ball Valve Caps - Black
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Product Information
Full details
The Oxford No 8 Ball Valve Caps are designed for cyclists looking to add a personalized, eye-catching aesthetic to their bicycle wheels. These lightweight, CNC-machined anodized alloy caps offer a significant durability upgrade over standard plastic caps while ensuring a secure, airtight seal. While they provide an excellent aesthetic finish, they are specifically engineered for Schrader-style valves, meaning they are not compatible with Presta valves commonly found on high-performance road bikes.
All features
| Model Part Number | OX767 |
|---|---|
| Brand | Oxford |
Extended Product Information
FAQs
Will these fit my Presta valves?
No, these are exclusively designed for Schrader (car-style) valves.
How many caps come in the pack?
The Oxford No 8 Ball Valve Caps are sold as a pair (2 caps per pack).
Do I need any tools to install them?
No tools are required. They are designed to be tightened by hand.
Does the O-ring seal actually prevent air leaks?
The O-ring prevents dirt and moisture from entering the valve, but the primary air seal is handled by the valve core itself.
Will the black finish peel off?
The caps are anodized, which is a chemical process that bonds the color into the alloy, making it highly resistant to peeling or chipping.
Troubleshooting
Cap is difficult to screw on
Check the valve threads for debris or bent metal. Ensure the cap is aligned perfectly straight before rotating.
Cap feels stuck or seized
Apply a small amount of penetrating oil or lubricant to the threads and allow it to sit for a few minutes before gently unscrewing.
Pros and Cons
Pros
- Durable CNC-machined alloy construction
- Internal O-ring keeps valves free of dirt and moisture
- Stylish and unique ball design
- Easy to install and remove by hand
Cons
- Not compatible with Presta valves
- Sold only in pairs (may require multiple packs for multiple bikes)
- Small parts require care to avoid loss during tire inflation
Setup, Compatibility & Care
Installation is straightforward: ensure your tire valve threads are clean, place the Oxford No 8 cap over the valve, and turn clockwise until hand-tight. Do not overtighten with tools, as this can damage the alloy threads. These caps are strictly compatible with Schrader valves; attempting to force them onto a Presta valve will result in thread damage. To care for your caps, simply wipe them down with a damp cloth during bike maintenance. If you notice the internal O-ring becoming dry or brittle after years of use, a light application of silicone grease can keep the seal supple.