Motone Classic BMW R-Series Monza Gas Cap with Adapter

Motone Monza Gas Cap and Adapter for R-Series /7 and up

Suitable for airhead boxer engine BMW tanks

Compatible : R45 R60 R75 R80 90S R90 100R R100

The caps are a polished finished, but may need some more elbow grease if you want a mirror finish. They will have some slight marks etc from casting process.
See pics for details.