The Gravel 2Stage Mini Pump is equipped with the innovative 2Stage pressure switch, which allows you to select high volume or high pressure to quickly and effortlessly fill your gravel bike tyre. Compact size fits easily into a jersey pocket. Head: Galusky valve, lock, dust cap Body: aluminium Handle: aluminium Pressure: 90 psi / 6 bar Stage 1 - 0 - 50 psi Stage 2 - 50 - 90 psi Stage 1 - High Volume (71 cc) Stage 2 - High Pressure (24.8 cc) Dimensions: 18.4 x 3.6 x 2.8 cm Weight: 101 g Additional: side mount bracket