Antitheft mount is locked with original bmw lock. You can use your own key from your motorbike. Only one key for motorbike and mount. The lock is take of part and can by set for your bmw key.  Mount is fit for BMW R1200GS, R1250GS, R1300GS or can by use for other BMW bike with 12mm bar for navigation. If you need it for other bike with diferent diameter of bar let me know. I can make it fit for your motorbike. If you have oem mount for bmw navigation you can use cylinder lock from your oem mount and don't need buy new lock.