ITEM NAME:Lock Brake Disc Bicycle Bike Wheel Pressure Locks Bike Safety Mini Anti VOQ Descriptio n Description: Scope of application: electric vehicles with disc brakes, motorcycles, bicycles Cylinder specifications: internal pressure lock cylinder Lock pin size: 5.5mm (less than 5.5mm can not be used) Specifications: Material: Alloy Color: Silver Size: 3*4.5*3cm Package Included: Alloy Steel Mini Round Disc Brake Lock * 1 Note: Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the color tone of the website's photo and the actual item could be slightly different. High quality buy, happy buyï ¼ Lock Brake Disc Bicycle Wheel Pressur Locks Bike Security Safety Mini Anti-Theft.Lock Brake Disc Bicycle Wheel Pressur Locks Bike Security Safety Mini Anti-Theft. Cylinder specifications: internal pressure lock cylinder. Alloy Steel Mini Round Disc Brake Lock 1. We'd like to settle any problem in a friendly manner.