What motorcycles would be the best to use as a base to build a street tracker? Bonnier Motorcycle Group’s Custom and Culture Editor Morgan Gales joins the discussion. Which five will make the cut? Watch to find out.br br br Harley-Davidson Sportster Yamaha XS650: Yamaha SR400: Yamaha Virago 920: Triumph Street Twin: br What would bikes would you choose? Let us know in the comments below.