Or raise the front fender and run a 130/80 REAR tire up front.You should rather raise the fender and put 120/90 tires for the same outer diameter for a lot less $, and it's reversible.
Here a 120/70 OEM Dunlop...
DSC07513 by Ed Copeman, on Flickr
and here a 130/80 METZLER Tourance.
DSC07589 by Ed Copeman, on Flickr