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 these braze on adaptors have been design to work with new sram red yaw front derailleur key features aluminium clamp to keep weight at a minimal size 318mm or 349mm weight 25g 318mm manufactures claimed