early 90's rockhopper BB shell diameter?
Can anyone guess the shell diameter for an early Rockhopper? The BB is shot and I'll have to take it to a shop to have it removed. I have a 68mm square taper I could install myself for a replacement, assuming it would fit.
Anyone? Thanks. |
You can measure it with almost any measuring device as the sizes are either going to be 68 or 73. If you really just want to take a shot at it, you can always do 73 and get a spacer. Probably not the best, but will work.
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Sounds like you want bb shell width. While the shell width is likely 68 or 73mm (just measure it with a ruler), the diameter is 1.37" and it's English threaded almost certainly...
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+1 use a caliper.
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