- Set of 2 Pelican 1556 Air Replacement Wheels. - Easy to install, using your existing parts off your case. - Made by Pelican. Wheel size - approx. - 2.25" diameter x 1.25" - Will NOT fit the 1510 or 1560 cases. QTY 2 Pelican 1556 Air case replacement wheels. Replace your worn out Pelican Protector Wheels with a new set. All parts are genuine Pelican. Some installation required - the trolley wheel assemblies will need to be removed from the case, and the wheel pin punched out with a hammer and punch to replace the wheels.