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Just finished the single speed conversion on this Trek 930. The tensioner is a jockey wheel bolted to a strip of aluminum bolted into the derailleur hanger. : r/xbiking
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Trek District 1 2011 specification - Bikes - Muddymoles - mountain biking in the Surrey Hills and Mole Valley
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The 2009 District Carbon was the weirdest bike Trek ever made – and I still want one today - BikeRadar
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