Piston POLINI bi-segment Ø40mm axis 12mm on PIAGGIO / GILERA Air (Typhoon, NRG ...)

Ideal all 5000 to 10 000kms, the piston of replacement for your kit 50cc POLINI in cast iron on motor of scooter PIAGGIO and GILERA ... Delivered with its 2 segments, its axis of 12 diameter 10mm, its two clips of piston type crab . Available in standard Ø40mm, bore Ø40,4mm and 40,8mm in case of tightening or excessive cylinder wear.