14 new teeth transmission pinion suitable for motorcycle 50cc Beta, Aprilia, Rieju, Sherco and other motorcycles with secondary transmission in 428.
It is essential to make sure of the type of transmission you need before ordering. On small cylinders we find mainly on 50cc of 420 (width 6mm, center distance 12.7mm) but some 50 and most of 125 are equipped in 428 (width 7mm, center distance 12.7mm), even for 125 in 520 (6mm width, 15.8mm center distance). All the parts of the kit, namely the pinion, the chain and the crown.vent must be of the same type.
Compatibility models for guidance, it is advisable to disassemble the part to be replaced beforehand and check the correspondence with pictures and dimensions indicated on the site.
50 with box