Patent ID: 7905123

Claim:
A bicycle lock comprising: a first part connected to a first cantilever brake boss by extending a first bolt through a first path in the first part, a lug extending from an end of the first part, a first protection member connected to the first part and including an end piece which covers the first path and a head of the first bolt, two extensions extending from the first protection member and the lug located between the two extensions, a lock rod extending through a hole in the lug and two respective through holes in the two extensions, the first protection member and the lock rod being pivotable about the first bolt, and a second part connected to a second cantilever brake boss by extending a second bolt through a second path in the second part, the second part including a passage defined therein and a lock core received in the passage, a second protection member connected to outside of the second part and including a top portion which covers the second path and a head of the second bolt, a hook extending from a side of the second protection member and inserted into the second part via an insertion hole defined in a side of the second part, the hook extending into the passage whereby to lock the bicycle, the lock rod is pivotable about the first bolt so as to be inserted into the second part passage.