I have emailed some guys over there and they said most of the aluminum tank bikes were built for the factory race teams. Still doing research on it.
zack leatherwood
1977 Penton 250 GS
1977 Penton 400 GS
1977 KTM 250 GS
zack leatherwood
1977 Penton 250 GS
1977 Penton 400 GS
1977 KTM 250 GS