Silca hoses, heads and adapters for bicycle pumps.

Specs

• Threads into any Schrader pump head
• Can only be used to inflate Presta valves
• Exclusive CompressionHead design can tighten gasket over 200% by simply tightening cap
• CompressionHead allows adjustment to fit even the most worn presta valves
• True no-holding disc inflation on ALL style Presta valves including threaded stems
• Full metal construction, no plastic parts to wear or fail