Originally Posted by
mpetry912
AFAIK, it's exactly the same mechanism as the Hirame head with Silca's name. The only difference I can see is the Silca attaches to a Schrader tire chuck while the Hirame attaches directly to the pump hose via a hose barb. Unless you are switching between Schrader and Presta valves routinely, the Hirame has a better connection.