Pro Iron Premium Aluminum Lightweight Mini Bike Pump, Life Time Warranty PORTABLE AND POWERFUL: Weighs just 6 oz (170 g). 7.5" (19 cm) when collapsed and extends to 11.5" (29 cm) for easier pumping and quick inflating. PRESTA AND SCHRADER: Suitable for both Presta and Schrader valves. Strong and durable aluminium alloy construction. Integrated dust cap to prevent damage. 65 psi maximum pressure. LIFETIME WARRANTY: This product is covered by The Pro Iron's Lifetime Warranty. EASY INSTALLATION: The included frame mounting kit is easy to install. PLEASE NOTE - bike frame requires threaded holes for installation of frame mounting kit.