Crankshaft Bearings Polini Mbk 51

Polini crankshaft bearings and oil seals for Motobecane / MBK 51 Polini, an established name in the 50cc scene, offers this high-quality bearing and oil seal set as a perfect replacement for Motobecane MBK 51 mopeds. The parts are fully compatible with the original components and can be fitted to the crankshaft and primary gear without modification. Polini oil seals - high load capacity and long service life The seals are made of FKM (fluorocarbon rubber) and have a PTFE sealing lip. Both materials are heat-resistant, low-friction and designed for a long service life - ideal for use in racing conditions. The result: less heat development, less wear, more efficiency. Crankshaft bearing kit contents 2x bearings 16x42x13 C3 2x oil seals 15x22x5 PTFE + FKM This kit is suitable for both standard engines and tuned setups and ensures reliable performance and a longer engine life.