Originally Posted by
cbrstar
My guess they are 810's. Flip them over and on the back will be the model and the year they were made.
I find the old Japanese Dia Compe brakes flex a lot less then the new ones made in Taiwan. You get 100x more breaking power when they are "Toe-In" properly I'm sure there are places you can google that show you how.
My mistake. It appears that the model is 730. The number I was referring to is 1080, which stands for October of 1980 when the brakes were manufactured. It also says "Japan".
I also found this engraved:
no idea what it means.