A42M-Universal 16mm Motorcycle Hydraulic Hand Clutch Master Cylinder Rod System function Efficient Transfer Pump This hydraulic clutch master cylinder is designed as a direct replacement for compatible motorcycles, ATVs, and bikes.It features a 16mm piston diameter and is constructed from aluminum with a black finish.The system includes a threaded rod assembly for adjustable positioning and is compatible with standard brake hoses and clutch lines. The unit mounts using an M10x1.25 thread and fits models where the anchor point accepts a threaded connection.For vehicles with U-plate style mounting (e.g., King GS125), the U-plate may be removed and the pump installed directly to the pump head end.Installation requires proper bleeding of the hydraulic system to full functionality. Package includes: 1 x Motorcycle hydraulic clutch master cylinder. Note: Color representation may vary slightly due to and screen settings.Dimensions are subject to a manufacturing tolerance of ±1–3 cm.