Did the we buy any bike quote thing the other week , out of interest for my Hyperstrada 2013 , immac low mileage and one owner in white. £4500 . If you push them I might have got a bit more but not a lot.
Don't forget they offer their price which is normally less than half the market price, based on your description of it's condition. They do not pay out till they receive and inspect it and if you are not accurate, they will offer less than the agreed price.