Abus Brake disc lock Granit Detecto X Plus 8077, red Electronic brake disc lock with a 0.51 inch special hardened bolt, Security level: 18 Bolt, lock body and supporting elements of the lockingmechanism are made of special hardened steel Alarm function on basis of the ABUS 3D detection system which means, that every movement is detected, Alarm of at least 100dB Lock can be transported in locked condition without activateddetection system, thanks to automatic brake disc recognition Colour: red