Feature:1. High Performance: Made of high quality aluminum alloy material, providing a more sensitive and safer braking experience.2. Size Description: The front tubing length is about 900mm/35.4in, and the rear tubing length is about 1680mm/66.1in.3. Stereo Oil Cylinder: Stereo oil cylinder can reduce maintenance times with high performance, also has the ablity to bring lightweight effect.4. Braking: Stopping your bike immediately with the squeeze of finger. Ultra powerful brake effect can improve your using experience.5. Easy to Use: Manufactured with accurate shape and size, has a close fitting for installation, simple for installation and removal.Specification:Item Type: Bike Hydraulic Brake KitMaterial: Aluminium AlloyColor: As Picture ShownApplication: For Folding Electric BikeProduct Size: A Column: Approx.75mmB Column: 51mm(Universal For Front Fork And Frame)Oil Tube: Front Wheel: Length: Approx.900mmRear Wheel: Length: Approx.1680mmOil Cylinder: Stereo Oil Cylinder (Gently Pinch To Brake)Weight: Approx.1123g/39.6oz Package List:1 x Pair of Brake Levers1 x Pair of Disc 1 x A Column1 x B Column12 x Small Screw 8 x Big Screw4 x Accessories