The super viper numbered combination lock from oxford is ideal for securing motorcycles and bicycles amongst other things the super viper is secured using a user selected 5 digit combination that is set when the lock is used for the first time this locking methods means there are no keys involved so there is no chance of losing them or forgetting them if you know your code you can always unlock your super viper lock featuring a self coiling cable with steel rollers and vinyl coating to pro