Matching front or rear tires sold separately Inner tubes and rim strips sold separately Designed with matching and complementary tread patterns for improved handling, greater stability and better overall performance Meet or exceed DOT highway specifications. 2-ply nylon cord construction with 4-ply rating (load range "B"). Note: Ply figures given are ply ratings ("PR" as shown on tire), not actual ply construction. How To Order. Before ordering, check tire size found on current tire sidewall or as listed in owner's manual, then order the same size tire. If ordering a wider tire, be sure to allow sufficient clearance and check the manufacturer's recommended rim widths (RRW) and load ratings (LR) to help determine which tire is best. (RRW) Given in inches. (LR) Given in pounds for each tire (based on a tire inflated to the psi indicated on sidewall); add front and rear load ratings to determine TOTAL for cycle. (SIS) Standard inch sizes Tire Width x Rim Diameter.