XENA locomotive lock / Disc Brake Lock is the industry's leading brands XENA Disc Brake Bike Lock usage and installation is very simple. In addition to the disc like a general lock can lock the car outside the locomotive， when XENA Disc Brake Bike Lock sensitive to shock when the body will issue a 120 db alarm， in addition to deter thieves covet the car， but also to remind the last minute owners， former owners avoid driving motorcycle lock disc brakes forget demolition caused car damage. XENA locomotive lock / Disc Brake Lock using the German patent DISK lock core (the principle is similar to bank safe， the use of scale-free spring， for the current lock the acknowledged king lock)， can definitely bring great deterrent to burglars. In the high theft rate of Taiwan， if not a good locomotive lock / Disc Brake Lock， on the car is very dangerous. In the anti-theft lock / Bike Lock / Disc Brake Lock field， in addition to the few one or two well-known brands， I believe that XENA locomotive lock / Disc Brake Lock from the UK is your best first choice. XENA locomotive lock / Disc Brake Lock series is currently in addition to the UK， but also a lot of marketing in Taiwan， Japan， the United States， Australia， France， Britain and other advanced countries， worthy of your trust. [XENA locomotive lock / Disc Brake Lock has many national certification] largest range of SoldSecure Gold (UK)， Thatcham (United Kingdom)， Classe SRA (France)， NF (France)， ART (Netherlands)， PZU (Poland) and VAT certified (Finland) certification in the field of disc brake lock. XENA locomotive lock / Disc Brake Lock deliver many new products every year to these test units and more rigorous testing of products to achieve a safer target. XENA- use: 1. Insert the key into the keyhole， open anti-theft alarm XENA Disc Brake Bike Lock clockwise. 2. Place the lock slide into front or rear disc brake slot plate 3. Press the keys so that the lock cylinder insert Disc Brake Lock disc brake disc clearance hole and push into the lock， and then turn the key back counterclockwise direction， and complete lock out of action. The disk locking position can be at the top of (sensitive) and the freedom to choose between below (normal). 5. The alarm will operate and issue a "beep" sound for confirmation has entered the work (alert) status within five seconds after the lock. 6. Touch alarm will first issue a "beep" sound， then the sound of 120-decibel alarm sound 10 seconds after the long stop， then re-enter the work (alert) state. 7. Make sure that when you replace the battery Battery (CR2)， and use the attached standard wrench to remove after the alarm， according to the printed pages illustrated instructions. 8. After the new battery pack into the lock， siren will happen "beep" sound to confirm. 9. After each lock， jog or vibration faucet body to test the alarm， if no sound or volume less need to replace the batteries as soon as possible. ※ The product provides three primary key (black) at the factory， for the protection of the interests of customers， the plant does not save any backup key， so please keep!