Brake disk lock from ABUS. This Brake disk with thin bearing is available in 2 colors, chrome and yellow, provides Maximum safety, can’t be unlocked with pen, have 2 all secure keys with code and can be reproduced only from main manufacturer. Where to use it: High level of security against unlawful use Blocks the brake disc Small, handy, compact, secure How it works: Pass shackle through brake disc apertures, insert into lock body, lock – that’s it