hi, to all. this is my first post, hope someone can help. i have just bought a 1999 bailey senator montana twin axle. the van has been sited for five years. i am collecting the van in two weeks but i dont trust the tyres as it has been standing to long. i want to buy four new alloy wheels with new tyres. but dont have the wheel size- 13" or 14" P. D. C. stud size 4 stud or five. have contacted baileys but they are on holiday!! any advice would be much appreciated. cheers.