So I've read a lot of posts on tires here, but not quite found what I'm looking for. I've decided on s12xc, as I ride in Michigan where the trails are 90% sand. I already have the s12 on the front and I like it well. I have the old stock Dunlop 110/100 on the rear. I'm trying to decide between the 140/80 and the 130/90 option on the S12 rear. Which will be the closest to the stock size? I'm thinking wider is better for the sand, but would the wider 140 make the bike turn worse than the 130, or would I not even notice the difference between the two? Also concerned if there are any clearance issues.