Mottrycksfjäder - momentomvandlarfjäder -PIAGGIO 125-180cc 2T- Aprilia SR125, Gilera Runner FX/FXR, Hexagon125/150 EX, 125 LX, 180 LXT, Skipper 125/150 2T, SKR125/150, TPH125, TPH-X125, TPH-XR125 - trådtjocklek Ø4,7mm , 5 spolar, Øutsida=65mm, h=150mm