Satisfaction - Ctomer satisfaction is our top priority. If you are not satisfied with any of our product, please contact and rest assured that we will do our best to make it right. Please refer to the size chart and product descriptions, as well as our ctomer feedback, to ensure an fit.Lightweight & Portable - Small size, easy to carry. Pump weight:60 g, 10cm long comfortable ergonomic design, the palm accommodates the bike frame below the bottle holder with the bracket.ALUMINUM ALLOY MATERIAL - The bike pump body is made of aluminum alloy which is hard and durable. It is a concise fashion mini pump with metal reflective combine with stripes on suface.It is double inlet pump with high pressure 120 psi gauge which fits presta. Our experiment, we jt take about 1-2 minute to full of gas for tire.This portable pump includes mounting bracket, sports needle, inflating to basket, foot, swim ring, Also perfect for mountain bikes, road bikes,