Bike Wheels

Zipp's Valve Extensions are perfect for extending threaded presta valves with non-removable cores. The Valve Extensions feature a knurled end to keep the pump from slipping and a 3mm extender hex broach in the barrel to ensure you get enough purchase on the extender to guarantee a perfect seal when tightened.

Zipp's Valve Extensions are perfect for extending threaded presta valves with non-removable cores. The Valve Extensions feature a knurled end to keep the pump from slipping and a 3mm extender hex broach in the barrel to ensure you get enough purchase on the extender to guarantee a perfect seal when tightened.

Zipp's Valve Extensions are perfect for extending threaded presta valves with non-removable cores. The Valve Extensions feature a knurled end to keep the pump from slipping and a 3mm extender hex broach in the barrel to ensure you get enough purchase on the extender to guarantee a perfect seal when tightened.