Motorcycle shock absorber oil seal, rubber skeleton sealing part. Made of high-quality rubber and plastic materials such as NBR, HNBR, FKM and silica gel. It has the characteristics of wear resistance, high and low temperature resistance, waterproof, oil leakage prevention and dustproof sealing. It is suitable for all kinds of motorcycle shock absorbers, hydraulic equipment, engineering machinery, agricultural machinery and other general mechanical dynamic and static sealing scenarios. It is a general industrial sealing accessory with standard and customized specifications.