Thread: Is this fork structurally sound?
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Old 04-05-16 | 10:41 PM
  #2  
RoadGuy
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Joined: Jul 2014
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From: SoCal

Bikes: 89 Schwinn 754, 90 Trek 1100, 93 Trek 2300, 94 Trek 1400 (under construction), 94 Trek 930, 97 Trek 1400

Probably part of a wheel retension system that includes a washer with a lug on it that fits into the hole to keep the wheel from dropping out/off if the quick release fails or the wheel nuts loosen.
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