The ABUS Pro Amparo 4750 X frame lock mounts to the rear seat stay bolts of your bike (if equipped) and are used for the basic protection of your bike. If you're just popping into the bakery, they are a convenient solution to protect your bike from quick theft in one easy step.
ABUS Pro Amparo 4750 X Features
The frame lock features an 8.5-millimeter steel shackle locking mechanism and a large opening for use on bikes that have extra wide tires.
This lock is the NR (non-key retaining) version that allows key removal from the device whether locked or unlocked.