Shinko 777 Rear Tire (170/80-15 Reinforced) Specifically designed for cruiser machines and is available in a multitude of sizes to fit many V-twin and metric cruiser models.Higher mileage and load capacity.Tread compound designed for a great combination of traction and mileage.Directional tread pat (Heavy Duty) version with reinforced carcass available in select sizes.H-rated tubeless, 4 or 6-ply rated.DOT approved.Tire Specifications:Load / speed index: 83H.Recommended rim (inches): 4.00.Overall diameter (inches): 25.71.Overall width (inches): 6.69