Joined: Nov 2010
Posts: 15,315
Likes: 903
From: Tixkokob, Yucatán, México
Bikes: 79 Trek 930, 80 Trek 414, 84 Schwinn Letour Luxe (coupled), 92 Schwinn Paramount PDG 5
Thanks for the input. The fact that the bottom cup slid right in leads me to believe I have the correct size. There is some paint in there, from the repaint, and I'm guessing that's what caused it to be so tight. I sanded it a bit, but didn't want to go so far as to make it out of round.