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
Trek Precaliber 20 Girl's Single Speed Purple Abyss – The Bicycle Store
Trek Precaliber 20 Girl's Single Speed Crystal White – The Bicycle Store
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Trek Earl Bike | Uncrate
Police Auctions Canada - Trek Earl Single Speed Bike (No Brakes) (238388D)