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:
"I love vintage bikes except for _______"
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01-08-20, 04:11 PM
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uncle uncle
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Quote:
Originally Posted by
OldsCOOL
... and the disk on the outside of the big chainring.
That's the OS guard, for "
O
ver
S
hift" guard, or in some circles "
O
h
S
h-t" guard.
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