Innovations Road Air 2 Pump Works only with Presta Valves Manual hand pump, 130 p.s.i. maximum Designed for the road rider who wants a manual hand pump Aluminum pump body with high strength glass-reinforced nylon Size / Weight: 22.8mm x 20.8mm x 308.2mm; .900 x .820 x 12.136; 3.382 oz; 95.9 grams