Electric Scooter Brake Disc. Only 8 items in stock! The 120 mm, 6 mounting holes brake disc is for GOTRAX G3, G4, GMAX, GMAXULTRA, and GPRO electric scooters. The 110 mm, 5 mounting holes brake disc is for GOTRAX GXL V2, RIVAL, XR, XR ULTRA, XR ELITE, Apex, and APEX XL electric scooters. Keep your scooter in check with a sturdy Brake Disc.Disc Brake Electric Mobility Scooters Manufacturers, Factory, Suppliers From China, We have been in operation for more than 10 years. We are dedicated to quality products and consumer support. ES-18 is a new design 3 wheels scooter for citymute, made by aluminum alloy, light weight portable design can easily be carried.Nov 14, 2021 · Step 3: Inspect the Mounting Bolts. Apart from Cable Adjustment, Caliper Adjustment is another considerable thing to do to fix electric scooter brakes. First, it involves inspecting the mounting bolts and making sure they aren’t too loose. If they are, you’ll need a 4 mm Allen wrench to loosen them.Dec 26, 2020 · Connect the brake cables. First,pare the cables’ length with the old brake levers, and cut the excess cable after leaving a length of 2-3cm. Then use scissors to gently cut a small depth of 1cm from the end of the cable. When you pull out the outer rubber sleeve, you will see two small cables inside, one white and one black.