Koga Miyata GranWinner, 80's?

Frame / Size / Year:
koga miyata granwinner/ 54cm/ 80's?

Handlebars / Stem:
zoom/ cinelli

Fork / Headset:
koga miyata/ shimano 600

Front Wheel / Hub / Rim / Tire:
shimano 600/ wolber gtx2/ maxxis detonator (foto: remrx/continental ultra sport)

Rear Wheel / Hub / Rim / Tire:
novatec/ remerx taurus/ continental

Crankset / Bottom Bracket:
shimano 600/ shimano

Saddle / Seat Post:
san marco/ sr

Pedals / Chain:
miche/ shimano 600

Gearing / Chainring / Misc.:
45:15