Hi David,
Yes I understand the theory in that. I have some idea but very worried about spending the money, waiting a month or two for tyres/rims that end up wrong.
Thats correct, it runs jag both front and rear, so the 15" will fit without rotor issues.
Seems the boss DRB is a rare machine! Contacted DRB and even they were a little not sure who I could contact.
