R9 Front Derailleur 3x;9 Making front derailleurs that work well is equal parts art and science. We combine meticulous design details with precision manufacturing to deliver front derailleurs that shift predictably and smoothly. Stiff, strong mounting hardware and sensible cable routing round everything out into an easy to use package. Features. Precision forged steel shifting plate Group R-Series, R9 Speed 9-Speed Chainring Count 3x Triple Mount Options Braze On (FD-R353-F), Band Clamp 34.9 (FD-R353-B) (31.8 adpator)