Topeak Roadie TT PumpThe Roadie TT Pump from Topeak has a full metal construction with a powerful and super-efficient pumping mechanism at its core. Engineered to inflate tyres quickly, it gets your tyres rolling at optimum pressures 50% faster than other options on the market. Powerful and Convenient Mini PumpThis powerful and convenient pump transfers larger air volume from a bigger diameter outer chamber into a smaller diameter inner chamber to deliver more air at higher pressures to fill tires 50% faster and easier. Integrated dust cap keeps pump head clean and thumb lock lever ensures an air-tight seal. Features: Material: Aluminium Head: Presta with integrated dust cap Size: 19.5 x 3.3 x 2.35 cm / 7.7″ x 1.3″ x 0.9″ Capacity: 160 psi / 11 bar Air Volume Per Stroke: 41.4 cc Added Features: Side mount bracket Weight: 100g / 3.53 ozBuy Topeak Accessories from Chain Reaction Cycles, the World’s Largest Online Bike Store.