Features: this product adopts multi-section length adjustment, which can match most models of motorcycles. The oil inlet nozzle is equipped with exhaust screw, which greatly distinguishes it from other old styles. CNC processing technology is adopted, aluminum alloy is used, and the surface painting is high-end anodized_x000D_ _x000D_ Specifications:_x000D_ Color: Gold_x000D_ Main material: aluminum_x000D_ Entire length: as shown_x000D_ _x000D_ Thread size: as shown in figure_x000D_ _x000D_ Piston diameter: 14mm_x000D_ _x000D_ Accessories: suitable for most motorcycles_x000D_ Number :1 PC_x000D_ _x000D_ Note:_x000D_ 1. (important) no instructions are included. Professional installation is highly recommended!_x000D_ 2. Please check the size scale carefully before paying._x000D_ 3. Please allow 0.5-1 inch difference due to manual measurement. (1 inch = 2.54 cm)_x000D_ 4. The actual color of the item may be slightly different from the list image for the following reasons_x000D_ Different computer screens, thank you for your understanding._x000D_ _x000D_ Package contents:_x000D_ Motorcycle hydraulic clutch brake pump 1 and accessories_x000D_ Note: the piston size of the upper pump matched with the product must be no less than 14mm, and the working stroke shall be no less than 12mm. T4 brake oil is recommended_x000D_ _x000D_ Please note: The piston rod must not be bent during the installation process. Any bending will cause leakage _x000D_