Motorcycle Rear Hydraulic Brake Pump Master Cylinder For GS500 GSF1200 GSF1250 GSF400 GSF600 GSF650 GSX1100 Material Type: Metal Item Weight: 262g Compatible Models: GS500, GSF1200, GSF1250, GSF400, GSF600, GSF650, GSX1100, GSX1200, GSX1250, GSX1300R, GSX600, GSX650, GSX750, GSXR1000, GSXR1100, GSXR400, GSXR600, GSXR750, RF600, RF900, SV1000, SV650 Design and Style: Direct replacement parts Performance and Property: ISO9001 certified Special Features: Dirt bike rear brake hydraulic pump This motorcycle rear hydraulic brake pump master cylinder is designed for a range of models including GS500, GSF1200, and others listed in the compatibility chart.Constructed from metal, it offers durability and resistance to wear under various riding conditions.Weighing 262 grams, the unit maintains a lightweight profile that supports overall vehicle agility.The direct replacement design allows for straightforward installation without requiring modifications.It fits into existing brake systems, providing consistent hydraulic performance.Certification to ISO9001 standards indicates the product has met requirements for quality management during manufacturing.Suitable for both on-road and off-road use, this master cylinder supports braking performance.Its compact size preserves space on the motorcycle, contributing to a clean and organized setup.With broad model compatibility, it serves as a practical upgrade option for riders looking to replace or enhance their rear brake hydraulic system.