The OnGuard Mastiff 63 inch long bicycle lock is a "Strong Defense" bike lock with a 5 out of 6 rating on the A&J's security scale. This 63" x 3/8" bike lock is best for moderate to high crime areas and features 3/8 of an inch chain links manufactured from ultra hardened reinforced steel for ultimate resistance against theft attempts.

Narrow inner widths on the individual Hexlinks deliver additional security and the double layer nylon fabric cover provides adequate protection for your bike's finish. The Mastiff 63 inch bike lock comes with 4 laser cut keys and 1 lighted key for ease of use in the dark.

This bike lock comes with anti theft protection up to $751.

Dimensions:
63" x 3/8"
(160cm x 10mm)