Keywell Cycling focus on your biking safety and try to offer quality items to upgrade your bicycles! Many cyclists are troubled by the lack of proper air pressure during riding, but they cannot find a suitable pump. Keywell understands your concerns and worries, so we are here, providing you with the best tools to help you solve this problem.

Brass Presta Valve Adapter with O-ring seal ring inside:
Keywell Presta valve adapter are made by high quality brass which slim,lightweight with clean surface, easy to bright and keep.The most important feature is the O-ring seal inside which made the adapters much more fit. This is a great gadget to carry around.

Convenient to inflate your tires anywhere:
With these Presta Valve Adapter, you can easily to inflate your bicycles with standard Schrader pump and car air compressor! You also can leave the converter on your tires, so that you can inflate your tires anywhere.

Very easy to install:
You can add this converter in seconds to your bike tires, no need any tools.

If you have any question or problem of our presta to Schrader valve adapter, please just contact us directly.