Introducing TopeakÔÇÖs TurboBoost technology. This technology utilizes the pull and push of every stroke by transferring air between its two barrels.┬á Pulling the handle up moves a massive amount of air volume from the larger barrel into the smaller barrel. Pushing the handle down compresses the air in the smaller barrel into high pressure output that fills road tires with high pressure, or MTB tires with large volume.Anodised aluminium barrelOversized padded handleStable aluminium and rubber baseSmartHeadÔäó DX1 headExtra long hoseAir bleed button for precise pressure settingHead ÔÇÿdockÔÇÖ holds hoseEasily inflates up to 200psiIncludes ball, air bladder needles