Description This item help to convert a Presta valve to a Schrader valve. It is suitable for varied types of bikes, including mountain bike, roadbike, folding bike, especially for mountain bikes. Prevent leakage, dirt and rain water to extend the service life of bike tires. It is the best replacement for your old or broken one. Features - Color: Red&Black&Yellow&Blue&Green. - Material: Aluminium alloy. - Size: 1.5x0.95x0.95cm / 0.6x0.4x0.4inch(LxWxH). - Convert a Presta valve to a Schrader valve. - Also turn a UK valve into a US valve. - Rocket shape makes the bike look more attractive and special. - Direct replacement,easy to install, only use the wrench to put the caps onto the tire valve stem. - To tire valve mouth design, filar silk closely, gently turn only. Package list 1 x set of 6 Pcs Aluminum PRESTA to SCHRADER Converter Car Valve Adapter Bicycle Bike Tube Pump Air Compressor Tools