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You actually guessed the only thing that you really need to watch out for: the BB shell width. And you don't even necessarily need that until you're actually putting it all together. Almost all BB shells are 68 or 73 mm. Most of the external BB's come built for a 73 mm shell and include a spacer for a 68 mm shell. The odds are really really good that the ...


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Note that spindle length is independant of the frame, and depends only on the crankset. This makes the shimano external bearing system is easy to install since the cups work with any standard BB shell width, and the spindle is integral to the right crank of the crankset (i.e. no worries about 113/117.5/123mm etc... spindles as you would have to consider for ...


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These are just old U-Brakes (installed at the chain stays as was cool for part of the late 80s). You just need to unbolt them from the studs (maybe hit it with some penetrating oil to help loosen it oFF the studs). Unfortunately due to the placement of the U brake , you're going to need to get another u brake since you won't be able to mount a normal brake ...



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