Get on the M25, M20 to Tunnel or M2 if its the ferry. Cross over turn left and your in Belgium in about an hour your there. I've done it on my push bike in a day getting a train from London to Dover, so I'm sure you will be fine in a Disco.

https://maps.google.com/maps?saddr=...pbcRzGrjxhVrDL-rg&oq=adinkerke&t=h&mra=ls&z=8

Have you guys still got the tyres? I wanna keep my wheels just nuy/swap the tyres