Bicycle-Adapter DV & SV to AV With Ring Seal Product Selling Point: HIGH QUALITY Made of high quality brass with screw threads, with a non-drip rubber seal, which is extremely durable and rust resistant. Meet your different needs. Product DesignLightweight, portable, easy to install presta to Schrader adapter, just loosen the Presta tip and then screw on the adapter, which can help you improve efficiency and inflate your bike at any time . DurableThis bicycle is made of high quality brass and is very well matched with the rubber O-ring, which can effectively prevent leakage. Easy to install light to carry, practical, convenient to install and easy to use, just screw and inflate the car pump, compressor. This will allow you to use a foot pump or compressor to inflate your tires and pumps. Popular to Use The bicycle adapter kit fits all common types of valves. Suitable for mountain bikes, road bikes, stationary bikes with Presta , also ideal for inflatable toys, air beds, gym balls, balloons, yoga balls and swimming rings, etc. Features: Bicycle Adapter in sets of 1-10. With these adapters you can inflate bike with: known as standard valves / express valves (BV), or with slave valves (SV), known as French valves, using car pumps. Material: copper. Weight: 4.2g. Brand: bike. Model: D-AV-A-5. Package Included: 5 X Bicycle Adapter