Sram Rival 22 Rear Derailleur Medium Cage 11 Speed

SRAM Rival 22 Rear Derailleur Medium Cage 11 Speed. The SRAM Rival 22 WiFLi Rear Derailleur gives you all the performance benefits of SRAM's Red and Force product lines and its race ready design offers exact shifting in any condition. WiFLi Technology delivers a wider range of gears than your standard triple and faster shifts through two chainrings and every gear on the rear cassette all this with substantial weight savings. Exact Actuation ensures fast, precise and efficient gear changes and helps to simplify and stabilize the uneasy act of balancing rear derailleur hanger design, tight cog spacing and exact cable tension. AeroGlide Pulleys keep noise to a minimum and durable aluminum innerouter cages provide structural integrity.