Zipp Arundel Hansel Pump Head Description: The Zipp Arundel Hansel Pump Head converts bicycle pumps originally equipped with pump heads intended for Schrader valves for use with Presta valves. The Arundel Hansel attaches via a Schrader-threaded connection to bicycle floor pump hoses, making for an easy swap that rejuvenates or transforms pumps. A simple thumb lock lever design easily locks onto valves, with tactile feedback that can be operated with just one hand, easing the process of pumping while holding bikes steady. Features: Conversion pump head for bicycle floor pumps Converts bicycle pumps with Schrader-compatible pump heads for use with Presta valves Locking lever securely attaches to threaded Presta valves without the need for threading Attaches directly to pump hoses via Schrader-threaded fitting Specifications: Valve Compatibilty: Presta Pump Compatibilty: Schrader Color: Silver