Outer Plate Markings | JUY SIMPLEX "SIMPLEX TOURIST 303" | Inner Plate Markings | MADE IN FRANCE 4vit. Ch.2.38 |
Material | Steel | Design Category | |
Attachment Bolt Size | | Cable Attachment Bolt Size | |
Shifting Systems | | Cable Adjuster | |
Cage Length | | Max Cog Size | |
Max Chain Wrap | | |   |
Known for their black plastic (Delrin) derailleurs during the "bike boom" of the 1970's, they were at the forefront of innovation over the years, producing such highly regarded items as the Super LJ derailleurs, Retrofriction shifters, and very popular line of seat posts.