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| Category: | Rear Derailleurs |
| Name: | Simplex Tour de France (SIMPLEX JUY Bte SGDG; steel pulleys) |
| Brand: | Simplex |
| Model: | Tour de France |
| Years: | 1947 - 1955 |
| Country: | France |
| Added By: | peterbman on 05/24/14 |
| Updated By: | peterbman on 05/22/17 |
Additional Photos - click for full size |
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 Verify Component Photos |
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| Outer Plate Markings | Simplex Juy Bte SGDB | Inner Plate Markings | |
| Material | Steel | Design Category | Rod |
| 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.
