Master Lock expands its product line of protection with the Disk Brake Locks for motorcycles.  The 3" diameter throat and a heavy duty construction allow this lock to protect your investments.  Easily installs over your brake rotor  with a 3/8" (10mm) high security disk cylinder to secure your motorcycle.  The bright red zinc steel body also has a reminder cable to prevent driving while lock is engaged and includes carrying case for easy storage.