how to use the disc brake of citycoco chopper scooter?
①Brake clearance adjustment: tum the adjusting screw which is located between the braking handle and the handlebar tube using a 2mm Allen wrench, adjust the clearance between braking pads and the braking disc until your hand feeling is comfortable.
②Replace the braking pad when braking pads are worn off by more than 1mm or the adjusting screw of braking pads are adjusted to the end position or every half a year. When replacing braking pads, press in one of braking pads using a clean slotted screwdriver to vacate space for taking out the other braking pad. After replacement is complete, it is needed to return the adjusting screw of braking pads to a suitable position(a position that makes your hand feeling comfortable).
③Run-in period: the run-in of disc brake surface needs a certain time.After complete run-in, braking force will increase significantly. The first week in which you use a new disc brake is the run-in period.
During run-in period, do not brake with too great force, otherwise un-recoverable damage will be caused to braking pads and braking body. The correct operation method is to brake slightly during driving, so that there is appropriate friction kept between braking pads and the disc brake.
④Oil replacement: this disc brake adopts mineral oil, which should be replaced (2~3 years in general)
When the braking handle is felt weak. Replace oil using an injector.