TOPIZI DUAL ACTION MINI BIKE PUMP - High Pressure 210 PSI, Lightweight & Portable Air Pump On the above 'Size' dropdown list, please select Standard or All-In-One Pack. HIGHLY DURABLE. The highly durable body is made of 100% ALUMINIUM ALLOY, including the pump head. Fully CNC-machine constructed for high precision. Grooves on the handle to give better and COMFORTABLE GRIP. SLEEK DESIGN makes it an excellent gift idea. GREAT DESIGN. This is a DUAL-ACTION bike pump that pumps in BOTH directions (pull and push). It can deliver a maximum pressure of 210 PSI. This is probably one of the MOST POWERFUL pump compared to other similar types that you can find on Amazon. This pump delivers GREAT EFFICIENCY and can save up to 40% (in number of strokes) compared to a typical one that pumps in one direction. If you haven't tried a dual-action pump, we strongly suggest that you try this. We guarantee that you will love it. PRESTA and SCHRADER VALVE COMPATIBLE. Easy to switch between the 2 positions. No need for any adapters or complex adjustment of the internal parts. FREE ACCESSORIES include Offset Bike Frame Mounting Bracket that allows you to have the water bottle cage mounted at the same time. You will also get an extra Rubber Band as a replacement. We take every step to make sure you are taken care when using Topizi Dual-Action Bike Pump. SIZE DOES MATTER. A pump which is too small may not inflate tires efficiently while a floor pump is not portable. The TOPIZI DUAL-ACTION bike pump is not the smallest pump in the market but it is one which is very portable in size (Length 9.25in, Weight 0.43lb). The optimal weight gives users a STURDY feel in their hands. So why choose those that are less powerful, single-action when you can try Topizi bike pump at NO RISK? YOU ARE PROTECTED BY NO-QUESTION ASKED 30-DAY MONEY BACK GUARANTEE!