1.bike parts:bike pump 2.color:blue 3.material:plastic steel bike pump 4.size:28*3cm 5.size:of the pump is various bike pump/bicycle pump/bike pars1.bike parts:bike pump2.color:blue,yellow,red,also according to needs3.material:iron bike pump.alumium alloy bike pump,plastic steelbike pump4.size:28,50,57*3cm5.usage:bike,chidren bike pump,motor,car etc.6.chacater:1)hign pressure and light weight 2) ...