Thread: What is the purpose of the clear disc behind the cassette?
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Old 06-24-12 | 09:31 PM
  #6  
bobotech
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Joined: Jan 2012
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From: Spokane, WA

Bikes: Specialized Sequoia Elite/Motobecane Fantom Cross Team Ti/'85 Trek 520

They are there to look dorky.

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