The Ultegra RX Rear Derailleur brings Shimanos’ chain stabilizing technology road cycling drivetrains, delivering smooth and precise shifting over technical terrain. It expands road bike capabilities, inspiring confidence on any surface and drives the evolution of road cycling to include greater elements of adventure. The Ultegra RX Rear Derailleur is available in 11-speed Mechanical or Di2 compatible options.
248g
CAGE LENGTH GS/Medium
TOTAL CAPACITY 39T
MAX FRONT DIFFERENCE 16T
CABLE ADJUSTER x
COLOR SERIES COLOR
AVERAGE WEIGHT 248g
MOUNT Direct attachment (conventional)
TENSION PULLEY BEARING x
GUIDE PULLEY BEARING x
NUMBER OF PULLEY TEETH 11
SERIES Ultegra
GENERATION Ultegra RX800
MAX LOW SPROCKET 34T
MIN LOW SPROCKET 28T
TOP NORMAL SPRING TYPE x
REAR SPEEDS 11