The of41 patriot disc lock from oxford is the same as the of40 patriot lock but features a longer 75mm shackle pin this extra length allows the of41 version to be used as a chain lock as well as a disc lock for greater versaility and practicality the of41 is designed to fit most motorcycle disc brakes so it can be used with a huge range of motorcycles both large and small it39s lightweight and compact so it can be transported easily when not in use and even comes complete with a carry bra