BMW Motorrad R 1200 GS Rider's Manual page 167

Wheels and tires
Front wheel
Rim size
Tire size
Rear wheel
Rim size
Tire size
Frame and suspension
R 1200 GS
You can obtain detailed information
on approved tire sizes and makes
from your authorized BMW
motorcycle retailer or by visiting
"www.bmw-motorrad.com/
maintenance"
Angled rim shoulder and double tire
retaining hump
2.50 x 19"
110/80-19
Angled rim shoulder and double tire
retaining hump
4.00 x 17"
150/70-17
9
165