The GRAVELERO mini-pump builds from the same hose, chuck, and plunger design of our multi-award winning Tattico pump, in a package that pushes 35% more air from the same overall length. The design has been further refined for gravel and off-road use with a smooth outer texture and improved sealing to reject dirt and mud while also making for easy cleaning. FEATURES: 35% Greater Volume: Increased stroke volume allows for more efficient inflation of gravel and MTB tires Expanding Hose: Expanding hose allows for easy inflation Bottle Cage Bracket: Mounting bracket included for easy carry SPECS: Light-weight, aluminum handle and barrel Retractable hose Thumb-lock, reversible chuck: Schrader or Presta 80 psi 9.5 inch / 243mm length 139 grams Includes direct-mount bracket