Harley-Davidson Museum - 1958 Duo Glide. In this year, H-D introduced hydraulic rear suspension, making this the first Big Twin with both front and rear suspension. It has a 74 ci Panhead
David Borras fonder of El Solitario MC and his Harley Davidson 58 Panhead at Wheels and Waves festival in Biarritz , France Stock Photo - Alamy
1958 Harley-Davidson FL Duo-Glide | HowStuffWorks
1958 Harley-Davidson Sportster XLCH specifications and pictures