Topeak Mini Compact Pump Roadie Da G Dual Action For RoadDual Action: Doubles volume per stroke for quick inflation up to 120 psi 8 bar Integrated Gauge: Easy to read 1 1 8 diameter analog gauge for accurate pressure readings Durable Construction: Aluminum barrel and thumb lock, polymer handle Compact and Lightweight: Weighs 4. 09 oz and measures 8. 6 x 1. 3 x 1. 2 Additional Features: Includes an integrated dust cap and side mount bracket for easy attachment. Presta valve only.