The Kryptonite Keeper 5-S2 Disc Brake Lock is a small, portable lock designed for motorcycles, scooters, and ATVs. Made of steel and featuring a durable cable lock mechanism, this yellow lock is resistant to weather and waterproof. With a key lock mechanism and a compact design measuring 3 inches in length and width, this lock is a reliable and convenient security option for your vehicles. As a trusted brand in the sporting goods and cycling industry, Kryptonite ensures high-quality and durable locks to protect your valuables.