Join Date: Aug 2008
Location: Pacifica, CA
Bikes: Lapierre Pulsium 500 FdJ, Ritchey breakaway cyclocross, vintage trek mtb.
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Yep! The tag says it's the adapter for the British type valve (aka, the dunlop or woods valve) and you just put it into the smart head and pull the lever up to lock it in place. You'll probably never need it unless you meet a Japanese girl riding one of those city bikes that happens to have that type of a valve on it. The clip thing helps hold the pump head to the tube valve while you are pumping it.
FWIW, they call the schrader valve U.S. or American valve, presta valves are called French valves, and then the dunlop/woods is called British type valve in Japan.
edit: I found some pictures of how this type of valve adapter works on the British style valves. Here is one:
Last edited by pacificaslim; 09-04-10 at 11:27 AM.