Partstock(TM) Multi-Color Anodized Machined Aluminum Alloy Bicycle Bike Tire Valve Caps Dust Covers French Style Presta Valve Cap.(Color send random) Specially made for bike customization. Preventing air-leakage, top quality 6061 aluminum and anodized in wide range of colors. personalize your bike with Styles and colors, Top Quality Ultra-Light Caps. Machined Anodized Colorize your bicycle with these high quality presta valve caps. Multi-Color French Presta Valve Caps,(Colors sent at Random) Ultra-light, weight only 0.6g per piece. Easy to installation. Partstock(TM) High quality 5-Pack universal fitting for bike (Presta) Sturdy aluminum alloy construction.