Piston Ø39mm for kit 50cc aluminum AIRSAL two-segment MOTOBECANE / MBK AV7 engine

This is the replacement for the piston aluminum AIRSAL kit 50cc Ø39mm on motobecane av7 engine. This piston is of good quality, it comes complete with piston rings, piston pin and piston clips. Unfortunately there is no letter of wear. Spare piston kit for square or round.