Find in this category a wide range of original or adaptable crankshafts, new or used, compatible with your motorcycle. Here you will find the connecting rod, the key, the crankshaft ring and nut, the crankshaft pinion.

The crankshaft, mounted on bearings in the housings, has the role of transmitting the linear movement of the piston in a rotary movement towards the transmission. A presence of game of the connecting rod is sign of important wear. Opt for a more powerful and stronger crankshaft brand known as Polini, Top Performances, Italkit, Bidalot, Doppler, Artek etc ...

There are many crankshafts available for 50cc motorcycles: Derbi Senda and DRD, Aprilia RX and SX, Gilera SMT et RCR, Rieju MRT etc.

Remember to check out the other lower engine categories to find all your parts: gearbox, ignition housing, clutch housing, engine housing and parts, clutch and parts, oil filter, lower engine gasket, oil pump and housing, engine bearing.