The Topeak Roadie DA Mini Pump is the most compact and lightweight version in the DA pump series. Dual-Action (DA) doubles volume with each stroke and inflates tires to 120 psi / 8 bar. Integrated dust cap keeps pump head clean and thumb lock lever insures air-tight seal.Topeak Roadie DA Mini Pump FeaturesHead: Presta with integrated dust capBarrel / Thumb Lock: AluminumHandle: PlasticCapacity: 120 psi / 8 barVolume Per Stroke: 36 cc (pull + push)Added Features: Dual-action pumping head, Side mount bracketThis version is supplied without GaugeSize: 18.3 x 3.2 x 2.8 cm / 7.2” x 1.3” x 1.1”Weight: 95 g / 3.35 oz