Join Date: May 2007
Bikes: 1986 Specialized Stump Jumper.
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Bottom bracket and their square pegs.
Hello to all,
I will say again, excuse my ignorance as I am new to road bikes and their parts. Now, bottom brackets, they all seem to have the same square shaped thinga-ma-jiggy sticking out that the crank fits on to. Are they all the same size? Will any crank assembly fit on all bottom brackets? I have my eye on a sweet Vintage Raleigh frame and was wondering if I should buy a Campagnolo triple set up that I saw on ebay before I ever see the frame. What is the normal process for buying used parts to put on old bike frames? Thanks