✓SPECIFICATION Name: Presta Valve Adapter Package: 5 pcs/bag Material: Brass Size: 0.60x0.39x0.39 inches Weight: 0.64 ounces(18 grams)/pack ✓PRODUCT DETAIL 1. All these bike inflator adaptor with a black rubber O-ring/seal inside, more effective in leakproof, airtight, dustproof seal to prevent air leakage when you use it. 2. Made of high quality solid brass material, corrosion resistant, weather resistant, more durable than aluminium tire valve adapter. 3. Convenient to install and remove, just need to loosen tip your valve caps, then screw the bike valve converter on your presta valve stems, then you could inflate your tires used a bicycle pump or a air compressor. 4. Buy 4pcs, you will get 5pcs in the custom black package, enough for replacing the original bad valve adapters and your daily usage. 5. Add to cart, BUY NOW!!! And enjoy your cycling with your family, friend, girls in this weekend. 6. If have any question, please free to contact us, we will solve it at once! That's why you chose Cap Art.✓ ENJOY CYCLING——Art comes from life and can be also embellish life. ✓ PACKAGE——5 Pcs per custom bag, sufficient for your daily usage and replacement, and these adapter can be left on the tire stem so it is always available to inflate your tires. ✓ CONVENIENT——Each bike valve adaptor has stripes around the top, easy to grab and tighten it with your fingers on the fly. Easy to install and remove. ✓ APPLICATION——Convert Presta to Schrader valve nozzle, turn French/UK style to US style, Bike Inflate tire valve adapter fit Mountain Bike MTB Road Bike Bicycle Folding Bike and Fixie Bikes with presta valve tubes. ✓ HIGH QUALITY——Solid Brass, more durable, stronger than aluminium. Built-in O-Ring Rubber Seal, more effective in leakproof, airtight.Vehicle Service Type: Bicycle. Fit Type: Presta bike valve adapter. Brand: Cap Art. Material: Aluminum, Brass, Rubber. Color: Stripe Design. Date First Available: April 12, 2020. Best Sellers Rank: #83,560 in Sports & Outdoors. Customer Reviews: 4.5 out of 5 stars 252 ratings 4.5 out of 5 stars. : B07T135GBQ. Manufacturer Part Number: ?CA002. Item model number: ?Bike Presta Valve Adapter. Product Dimensions: ?0.39 x 0.39 x 0.6 inches. Item Weight: ?0.16 ounces. Model: ?Bike inflate adapter. Manufacturer: ?Cap Art. Shape: ?Rocket Design. Number of Pieces: ?4. Vehicle Service Type: ?Bicycle. Fit Type: ?Presta bike valve adapter. Brand: ?Cap Art. Material: ?Aluminum, Brass, Rubber. Color: ?Stripe Design.