Functional bike pump Has dual-stage system produces high air pressure Features rotating foot pad for ease Dial gauge air pump The Schwinn multi-use frame-to-floor pump saves you a trip to the nearest service station. It has a dual-stage system to produce high air pressure and high volume, with a rotating foot pad for ease. The 120PSI gauge allows you to accurately read the inflation pressure. This dial gauge air pump has a slim design and comes with a mounting bracket that easily attaches to your bike. Schrader & Presta Valve Compatible