The Shinko 87-4420 421 Series Front/Rear Tire is a high-quality motorcycle tire designed for both front and rear use. With a section width of 1.75 inches and an aspect ratio of 10, this bias tire is ideal for a variety of riding conditions. The 3.50-8 size makes it compatible with a 4-inch wheel diameter, providing a secure fit for your motorcycle. Shinko is a trusted brand known for producing durable and reliable tires, making this product a great choice for any rider looking for a dependable option for their motorcycle.