Dunlop 73559 Mini Bicycle Pump The Dunlop mini pump allows you to refill your bicycle inner tube or sports equipment with air. It features a telescopic design. Technical data: material: plastic head: Presta with stopper integrated cap protects against dust 1 mounting bracket 2 cable ties · ball inflating needle valve reduction piston capacity: 36 cc inflates inner tubes to: 120 psi/ 8 bar dimensions: 20 x 3 x 3 cm length: 20-30 cm weight: 110 g