Sks spaero double action mini pump the sks spaero double action mini pump offers all the features of a modern comfortable mini pump the t bar handle optimizes the pumping force and the double action pump technology allows the tyre to be inflated whilst both pulling and pushing the handle under the dust cap there is an extendable hose with a screw on head that guarantees a tight fit to sv and dv valves weight 159g length 241mm output 5 bar73 psi