2 x BUGABOO DONKEY Pushchair / Stroller Inner Tubes. PRAM TYRES & TUBES. 200 x 50 Tubes. 255 x 50 Tubes. 28" / 700c Hybrid Tubes. VALVE TYPE: 90�� Bent / Angled Schrader Valve. PAIR 18 x 2.25 SCHRADER CAR Valve Bike Cycle Inner Tubes + BALDYS TYRE LEVERS.