Nothing! Literally! Most forks require air pressures in the 150 p.s.i. range. Most garages only turn their compressors up to 90-100 p.s.i., so it would only pump up the forks about 1/2 way!
L8R
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"Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and loudly proclaiming, "WOW, What a Ride!" - unknown
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