Originally Posted by
theblackbullet
Another user in the classic and vintage forum says that it is a one piece headtube. Is there an easy way to confirm? If this is true, could you explain how everything joins together instead?
Also I'm assuming that may make this way less feasible to repair?
it is easy to tell if it is a one piece head tube/lugs. If you look into (inside) the head tube and see big holes into the top and down tube then you know it is a one piece unit. If there are no holes, then it is a a standard head tube joined to a couple of lugs. These all-in-one units were made by Nikko in Japan. They are bulged formed. I used them when we made the 1st 50 sets of transportation frames in Bucha, Ukraine. Here is a picture of the lug unit and another picture of one of our transportation frames using one of those units.
