## Shaft Seal 30x42x4.5mm, FMB139FMB 4T - Reliability and Precision from FMB This high-quality shaft seal from the renowned brand FMB guarantees tightness and long-lasting operation of your engine. Perfectly fitted for a shaft with a diameter of 30mm, with an outer diameter of 42mm and a thickness of 4.5mm, it provides a precise seal, preventing oil leaks and protecting the engine from contamination. ### Why choose an FMB seal? The FMB brand is synonymous with quality and reliability in the world of motorcycle parts. Using advanced technologies and top-class materials, FMB creates products that meet the expectations of even the most demanding users. This shaft seal is an investment in the safety and trouble-free operation of your vehicle. ### Technical Specifications: * Inner diameter: 30mm * Outer diameter: 42mm * Thickness: 4.5mm By choosing the FMB139FMB 4T seal, you gain the certainty that your motorcycle will run smoothly and trouble-free for a long time.