OnGuard Bulldog Combo U-Lock 230 x 115mm

The top - selling Bulldog combo series u - locks provide the same high - level security as keyed locks, but without the hassle of carrying a key. Featuring an X2P Double Bolt Locking Mechanism that secures the shackle on both sides. The Steel Ball Combo gear system has a user - settable 4 - digit combination. Its 13mm thick hardened steel shackle stands up well against cutting, prying, and jacking. The double rubber - coated crossbar cover safeguards your paint and finishes. An all - tube mounting bracket comes included.

Using this OnGuard Bulldog combo U - lock is easy. First, set your own 4 - digit combination using the Steel Ball Combo gear system. To lock your bike, simply place the shackle around the bike frame and the object you're locking it to, then use the X2P Double Bolt Locking Mechanism to secure it on both sides. When unlocking, enter your pre - set combination. As for maintenance, keep the lock dry to prevent rust. If it gets dirty, you can wipe it clean with a dry cloth. Avoid exposing the lock to extreme temperatures for long periods. Remember to check the mounting bracket regularly to make sure it's firmly attached. This way, your lock will stay in good condition and keep your bike safe for a long time.