> You didn't say what year it was, but I'm guessing > it may be around '83 or '84... I think Warren's bike is a little older than that: perhaps an '81 or '82. These used this "widget" on the seat tube just below where the seat stays meet the junction of the top tube and seat tube. It used a set screw to push this wedge-like thing whose curved surface was, in turn, pressed against the seat post, holding it in place. (Words fail but I hope you get the idea.) Best regards, Fred Rednor - Arlington, Virginia
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