The Roadie TT Twin Turbo is a full metal, pocket sized mini pump that 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 tyres 50% faster and easier. Integrated dust cap keeps pump head clean and thumb lock lever ensures an air-tight seal. The Roadie TT Twin Turbo is a full metal, pocket sized mini pump that 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 tyres 50% faster and easier. Integrated dust cap keeps pump head clean and thumb lock lever ensures an air-tight seal.