Ultegra RX, GS 11 Spd. Di2

With an integrated chain stabilizer mechanism, the ULTEGRA RX derailleur provides a quieter experience and shifting security and precision on mixed terrain. For rides on smooth surfaces, the derailleur features and ON/OFF switch for the chain tensioner. The RD-RX805 DI2 version offers the digital precision of SHIMANO electronic shifting and synchronized shifting.

CAGE LENGTH: GS/Medium

TOTAL CAPACITY: 39T

MAX FRONT DIFFERENCE: 16

AVERAGE WEIGHT: 280g

MOUNT: Direct attachment (conventional)

NUMBER OF PULLEY TEETH: 11

SERIES: Ultegra Di2

GENERATION: Di2 R8050

MAX LOW SPROCKET: 34T

MIN LOW SPROCKET: 28T

REAR SPEEDS: 11

FEATURES & BENEFITS: