Technical Q&A with Lennard Zinn
Dear Lennard Zinn,I bought a used Ti mountain bike frame (Litespeed Obed) a few yearsback. Quite a while ago I noticed that I couldn't remove the allen boltsholding one of the water bottle cages. They spin but they don't come out.I'm not sure if the threads are stripped or what. Now the cage is bustedand I'd like to get it off. Any suggestions? --ColbyDear Colby,One possibility is that they are stripped; could be the bolts, couldbe the frame. The other is that those are failed riveted-in, rather thanwelded-in water-bottle mounts. (Is the entire flange spinning, or justthe bolt?) If the bolts