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Old 06-11-11 | 12:23 PM
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Retro Grouch
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Joined: Feb 2004
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From: St Peters, Missouri

Bikes: Catrike 559 I own some others but they don't get ridden very much.

1 measurement is worth 1,000 guesses.

1. Wrap a piece of paper around the shank of your stem and mark where it overlaps.
2. Measure to the mark in millimeters.
3. divide by 3.14.
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