Here's some quick info on good multipurpose tires available for under $50. The tires are TrakMaster K-760 100/90 19 80% off and 20% on road tires. They're agressive knobbys with some street manners. Best of all, they go on without trimming. Hint - when putting on the rear wheel, remove the brake shoes, and reinstall once the wheel is under the fender. These tires work well.