Front Sprocket: JTF1538.15 - This sprocket typically has 15 teeth and is designed to replace the stock front sprocket on the Kawasaki Z800. The JT sprockets are known for their quality and durability.
Rear Sprocket: JTR478.45ZBK - The rear sprocket in the kit usually has 45 teeth. It is designed to replace the stock rear sprocket on the Kawasaki Z800. The "ZBK" designation may indicate that the rear sprocket has a black finish, providing a sleek look to the bike.
Chain: 525 Z3 Brass Chain - The chain included in the kit is a 525 Z3 brass chain. The "525" refers to the chain's pitch, which is a measurement of the distance between the rollers. The Z3 designation indicates the chain's construction and material, which is likely brass in this case. Brass chains can offer improved durability and resistance to wear.