I purchased a new Cannondale Synapse Alloy 6 in early March. I have roughly 250 miles on it. After the first 100 miles I took it back to my LBS to have it adjusted and tightened up. Before I did this, ...
2003ish Cannondale six13, all Ultegra. Frequently, but not always, when I'm coasting at a fast pace, usually down a hill, the bike will start making this hideous screeching/grinding noise. It is ...