Old 09-11-17, 01:45 PM
  #41  
Don Buska
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Join Date: Feb 2015
Location: Milwaukee-Chicago (Last stop on the North Shore Metra Line)
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Bikes: 1975 Fuji 'The Finest', 1975 Fuji Super Road Racer S10-S,1980 SR 10-Speed, 1980 Fuji Newest, 1984 Araya 14-Speed, 1985 Bridgestone 500, 1986 Fuji 'Sekkei Series', 1995 Gary Fisher Kaitai MTB

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Originally Posted by Metacortex
I have a low-mile original unrestored 1983 Schwinn Continental (built on Wed. April 20th 1983) that has Dia-Compe 610/750 calipers with Schwinn Approved sticker branding dated 01-83 and 02-82 respectively, both of which have intact Delrin sheathed studs. I believe the guide pin/slot existed on the DC center-pull calipers from 1977 until the present. I can see part of the stud in the 3rd pic in this listing of what seems to be a current production caliper: Genuine Dia-Compe DC750 Centre Pull Caliper Freestyle Silver - Old School BMX | eBay
Wow you have eagle eyes on that eBay ad. Just think how long this original engineering investment has held out for Dia Compe. Talk about a great return on their original engineering investment. Not so sure it was as great for the engineers though

Thanks for the additional insight into the modern (or newer) versions.
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