WD-40 & Silicone Spray. When is one better over the other?
Doug Miller wrote:
Then your bike manuals are wrong. Which do you suppose is a better source for
the composition of 3-in-1 oil, some bike manual, or the manufacturer of 3-in-1
oil?
Or the mechanic who has to rebuild a hub after it's been gunked up by
3-in-1.
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