The new sram red components have been designed with the twin goals of eliminating the superfluous while focusing on an overall synergy this is a new groupset with a fresh new approach to everything 6 brand new components make the new sram red the pinnacle of road racing technology the new red rear derailleur is smoother and quieter than ever before and now available with srams wifli technology key features wifli gives the ability to run 32t cassettes giving a wider range of usable gea