If you do the drivetrain upgrade and want to dump the old parts, let me know; I may be interested in taking them off your hands. I just acquired a 1987 Schwinn Prelude (one under the Tempo I believe) and it has Shimano S.I.S. Light Action, not 105. The 105 might make a nice upgrade.
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I stop for people / whose right of way I honor / but not for no one.

Originally Posted by
bragi
"However, it's never a good idea to overgeneralize."