Cog Count ![Number of individual cogs on Freewheel](App_Themes/VeloBase2_britgreen/Images/question.png) | 3 | Available Threading | |
Color | Silver | Index Compatibility ![Shifting Systems which this freewheel is compatible with](App_Themes/VeloBase2_britgreen/Images/question.png) | |
Cog Materials | Steel | Identifying Markings | Simplex Made in Italy |
Removal Tool Style ![What style of tool is needed to remove the Freewheel](App_Themes/VeloBase2_britgreen/Images/question.png) | | Removal Tool ![Exact models of tools compatible with freewheel](App_Themes/VeloBase2_britgreen/Images/question.png) | |
Original Available Ranges | | |   |
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.