Piston ring Malossi for 50cc motor Derbi Euro 2, 3 and 4 Includes 1 x segment Technical characteristics Generic part Mark: Malossi Product Racing For aluminum piston Ø39,88 mm Gasket Malossi new adaptable for RS, RS4, SX, RX, GPR, XTreme, XRace, DRD, SMT, RCR, SC3, SC4 ... This segment fits on your piston of