No chain or derailleur this is the worlds most efficient drivetrain.

Published on Thu, 09 Aug 2018

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Combo of the Week-07:00
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have a magical week everyone07:00
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Les tricks en robe07:00
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Sunday Vibe....Wato!07:00
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Larrt de lanne !!!07:00
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This is absolute genius Gourski07:00
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India got talent hahaha07:00
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@ Mafia Subthai Aei168 SUB TH07:00
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