Better than average front wheel size 3.50 x 17 from a non ABS 2001 R1000S to suit the following models.
R1100S from 12/2000.
(K41) K1200GT; K1200RS (03/2000-07/2005)
The edge of the rim on one side has a 1-2mm buckle marked in black texta but I never noticed it when I test rode it has some stone chips in the paint and some scratches but very little in the way of tyre iron marks.
Please check the photos before purchasing.