These reproduction Betor piggy back gas shocks fit 1976-77 125cc & 200cc Pursang models.  They also fit the 1977 250cc Frontera. They come in 350mm or 13.75" length with 12mm mounting eyelet holes. 10mm mounting bushings are needed for the 1977 125cc & 200cc. They come with black bodies, black upper spring and silver lower springs.