The topeak smarthead upgrade kit replaces existing floor pump heads and hose with topeak39s unique smarthead and hose the hose upgrade automatically adjusts to presta and schrader valves and the aluminium thumb lock lever ensures an airtight seal the head and hose will fit almost all makes of pumps supplied topeak smarthead upgrade kit features automatically adjusts to presta and schrader valves aluminium thumb lock lever ensures airtight seal fittings for almost all makes of pumps s