A pump is a kind of equipment that push air into the tire, also known as an air pump. For cycling enthusiastsA pump is a kind of equipment that push air into the tire, also known as an air pump. For cycling enthusiastsA pump is a kind of equipment that push air into the tire, also known as an air pump. For cycling enthusiastsA pump is a kind of equipment that push air into the tire, also known as an air pump. For cycling enthusiastsA pump is a kind of equipment that push air into the tire, also known as an air pump. For cycling enthusiastsA pump is a kind of equipment that push air into the tire, also known as an air pump. For cycling enthusiastsA pump is a kind of equipment that push air into the tire, also known as an air pump. For cycling enthusiasts