Originally Posted by
RobbieTunes
I thought that the 68/70 was the diameter of the BB shell.
..........................................
Someone correct me if I'm wrong, educate this pilgrim.
You are wrong.
http://en.wikipedia.org/wiki/Bottom_bracket
Relevant quote:
"
There are a few standard shell widths (68, 70 or 73 mm). Road bikes usually use 68 mm; Italian road bikes use 70 mm; Early model mountain bikes use 73 mm. Later models (1995 and newer) use 68 mm more commonly. Some downhill bikes even use a 83 mm bottom bracket shell. Snow bikes use a 100mm shell."
Hey - that was fun!
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S. J. Perelman
Last edited by bigbossman; 10-11-11 at 08:08 PM.