Joined: Jun 2006
Posts: 1,428
Likes: 190
From: SW Virginia
Bikes: 62 Falcon, 58 Raleigh Lenton Gran Prix, 74 Raleigh Pro, 75 Raleigh Int, 75 Raleigh Comp, 76 Colnago Super, 75 Crescent, 80 Peugeot PX10, plus others too numerous to mention!
You need a triple crank in front. TA comes to mind, although others such as Sugino AT's, while maybe not period correct for the International, would work too, and still look "right".