Originally Posted by
Chombi1
Shimano's Delta style AX just looks a bit too mechanical, bordering on crude to be a top of the line brakeset for the time it was sold. If they only cleaned up the design a bit, especially at the back plate area and cable adjusters. They would have most likely sold more of it and it might have made the brakeset more popular with C&Vers as a result.....
the earlier image from steel-vintage is for those not well versed in esoteric Shimano, the 600AX. The Dura-Ace was all cast alloy but as Chombi mentioned, not top tier finished.
From a mechanical design perspective, they should have been a winner.
(actually I think they were a near mechanical copy of a brake set out of Seattle that ran a small advert in the early 70's Bicycling! magazines).