Originally Posted by
58Kogswell
Depending on the tire and its appropriate inflation pressure and depending on the "12-volt power inflator," you may find that you will not get enough pressure by this method to adequately inflate the tire. Car tires typically need less than 40 pounds and bike tires almost always want more than that.
+1
Most bicycle tires are high pressure - low volume. Car tires are relatively low pressure - high volume.
What size tires does your bicycle have and how much pressure is needed (psi)?
You really need a decent floor pump with built-in gauge.