The pull-out hose puts less stress on the valve. And you weren't stressed to start with. It's all very well hauling a giant pump around, but all that leverage can snap a delicate valve stem right off.
WHETHER YOU’RE TAKING THEM OUTDOORS ON THE ROAD OR INDOORS AT SPIN CLASS, THE WOMEN’S TECHNE WILL KEEP YOUR FEET COMFORTABLE AND GIVE YOU PEDAL-PUSHING POWER THANKS TO THEIR STIFF SOLE UNIT AND TIGHT VELCRO STRAP CLOSURE.