Features:
Solid invincible-looking design will deter thieves. Attaches to the disk making it extra difficult to remove without the key.
The disc lock alarm sound is able to reach to 110 db.
Weatherproof, mechanical lock core is rigorous design so that technical opening is very difficult.
Attractive, chunky chrome design. Heavy duty for top security.
Suitable for Motorcycle, electromobile, bicycle. Suitable for disc brakes with a thickness of up to 7mm
Firmly locked security lock. Light weight and easy installation.
Package comes with a screwdriver for replacing batteries conveniently.

Specification:
Type: Motorcycle Disk Brake Lock
Material: Iron Aluminum alloy
Quantity: as the picture shows
Item Color: Red、Green、Black  
Battery: 6*AG13 button battery (included)
Lock Slot Size: 5.5*3*0.7cm / 2.2*1.2*0.3" (L*W*H)
Lock Stick Dia.: 6.5mm
Overall Size: 8.8*7.2*4cm / 3.5*2.8*1.6" (L*W*H)
 
Battery Replacement:
We gave away replacement batteries,When the Lock No Longer Make Sharp Alarms,Instead Produce Constant Sound "Ge Ge Ge…", That Means the Battery Is Going to Be Exhausted and You Need to Replace Them. Take Away the Shell and Replace the Battery. Pay Attention to the Anode "+" and Cathode "-".