The Oxford Patriot Disc Lock is recommended for use on all bikes but especially on bikes with a high risk of theft, offers a high level of security.Universal disc lock, fits most bikesCompact - convenient to carry on bike or bag14mm diameter shackle pinCarry bracket includedThe Oxford Patriot Disc Lock is a universal fit and will fit most bikes, once fitted to a disk the compact design fits snugly, minimising the ability and effective use of hand tools. It small compact size make it also easy to store underneath your seat.The lock has a key replacement service so that if you are unfortunate enough to lose all your keys a new one can be made up. Just remember to take note of your key number and keep this in a safe place.