Originally Posted by
robatsu
Suntour in addition to the gruppo comments above, Suntour was associated with several companies in the Kansai region of Japan, Sugino and Sunshine most prominently. Virtually all the Suntour branded cranks were actually manufactured by Sugino, while virtually all the hubs by Sunshine. In many, if not most cases, the similarities between Suntour branded components and the Sugino/Sunshine branded item is quite obvious. I'm not as sure of the brake connection, but it wouldn't surprise me.
Also, things that are Superbe Pro are not always marked that way. For instance, I have a set of Superbe Pro brakes, very early ones, evidently. The calipers look exactly like the Superbe ones, and actually say "Superbe". The levers are a bit more modern looking. You would only know they are "Pro" because the box says they are. FWIW, I have a set of NOS Cyclone calipers from the same era and they are distinquishable only by some color differences and one plastic part where the superbe pro has metal. Full parts interchangeability, fwiw, at least for these two examples.
Dia Compe was their brake connection. Sakae Ringyo was also in partnership (stems, seatposts, pedals, also cranks and hubs although these may have been made by Sugino and Sanshin/Sunshine for S.R.
).
Superbe was marketed as, and even copied a lot of design elements from Campy NR. Superbe Pro was aligned like Campy SR. The Superbe Pro brakeset difference were the perforated brake levers, and the 'Pro' sticker on the same Superbe box.
Superbe hubs copied Campy Record hubs, down to the oil ports. Crank was a NR copy.
It wasn't until the full Superbe Pro group offering that they set themselves apart. The pedals, derailleurs, internal-springed calipers, cartridge hubs, aero-style crank, were all excellent designs.