Valve Extender for Kids Bike I can't seem to fit my bike pump onto my son's bike. The tires are too small, and there isn't enough of a gap to put the head of a bike pump on the valve.

Are there any valve extenders (not permanent) that I can use when I need to inflate his bike tires?
Yes. Slime makes some valve extenders for Schrader valves

, and if you have a Presta valve you can use a Presta to Schrader valve adapter (and if you really want, you can attach a Schrader valve extender to that, since you can buy the Schrader valve extenders at Walmart or whatever)

. 

Some companies (like Topeak) make Presta valve extenders as well:


That being said, you can also use a little hose attached to the pump to better access the valve like the ones offered with some Lezyne hand pumps if the chuck is too big. 

An example of a bendy extension hose is . 

There are also 90 degree extenders which you screw on: