Crankshaft Long Stroke -BGM Evolution 2 55mm Stroke, 110mm Conrod, =90mm Webs- Piaggio Maxi 2-stroke - Incl. Spacer, Aprilia SR125, Gilera Runner 125FX, 180FXR, Italjet Dragster 125, 180, Piaggio SKR125, SKR150, TPH125, Skipper125, Skipper150, Hexagon 1