Universal Wire Lock Bicycle Lock Five-digit Code Lock With BracketBicycle five digit code lock with waterproof coating to prevent it from corrosion. The locks default code is 00000. Open the lock with 0000?In open mode turn the inner knob with SET written on it clockwise.Input your own code. The lock code changes to your set code turn back the knob anticlockwise.?Note if you forget your code of is irreversible so ensure you note down the code.