Feature:1. Preferred Aluminum Alloy: Made of aluminum alloy material with low density, high strength and strong durability, is not easy to break, and can be used for a long time.2. Motorcycle Universal: Heavy duty 7/8inch clutch thumb brake lever master cylinder set is suitable for all models with a handlebar diameter of about 22mm.3. Convenient Installation: The clutch thumb brake master cylinder is easy to install and easy to use, no complicated installation steps are required for time saving.4. Good Replacement: Direct replacement for broken or worn out one, and the vehicle has been fit tested to ensure troublefree performance, more reliable in use.5. Professional Production: Clutch thumb brake master pump has undergone extensive quality and safety testing to ensure long service life and strong durability.Specification:Item Type: Clutch Thumb Brake Master CylinderMaterial: Aluminum AlloyHandlebar Hole Diameter: Approx. 22mm/0.87inFitment: For motorcycles with a handlebar diameter of about 22mm..Package List:3 x Bracket1 x Pump6 x Screw1 x Nut1 x Sleeve