The Abus Combo 6100 bicycle lock is rated as a "Strong Defense" bike lock with a security rating of 5 out of 6 by A&Js'. Featuring a unique folding design, this bike lock provides maximum flexibility while securing your bike to large anchors such as lamp posts and railings. Additional security is provided by the Abus EC Extra Classe Cylinder, putting lock pickers out of business.

The Abus Combo 6100 bike lock is 2-1/2 feet long and folds up conveniently into its frame mounted case for simple storage when the lock is not in use. This bike lock is best for use in moderate to high crime areas.