Changeable Pump Adaptor
By Giyo
* Made in Taiwan, SmartHeadAdaptor, applicable for most of the Bicycle Pumps which are 10mm Dia. Pumps, Giyo Pumps.
*Dragon Head Adaptor, with Release Valve, need to change Presta / Schrader manually.
* Smart Head Adaptor, with Release Valve, do NOT need to change Presta / Schrader manually.