Cast piston BIDALOT Ø38,95 / 38,96 and 38,97mm for kit 50cc G1 RR RR G2 air and liquid on MBK 51 / AV10

This is the replacement for piston G1RR air and liquid G2RR kits on engine MBK 51 / AV10 motobecane. This piston is of very high quality, it has a graphite surface treatment front and rear side grease, a mono-chrome cast iron segment / convex / pre-rehearsed. The pin passage is center back. Comes complete Ø13mm shaft axis by 32mm, high quality crab piston clips, segment ... Several ratings to select a choice to wear of your high engine.