|Shifter Type ||Stem||Attachment Style ||Clamp-On
|Shifting Systems||Friction||Lever Markings||"S BREV." "S" "Made in France" "Simplex"
|Lever Material||Aluminum; Plastics; Steel|| ||
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.