The woven construction facilitates the dispersion of moisture as you push hard through the cold starts in the morning

Ratio 11-13-15-17-19-22-25-28-32-36-42

The uninterrupted shifting experience of the ULTEGRA R8100 12-speed cassette range lets you climb

The innovative 13-speed design features a unique 9-tooth sprocket

and versatility

shimano pulley set rd r8000 Color_Off White The woven construction facilitates theSHIMANO derailleur roller set Ultegra RD R8000 RD R8050 GRX RD RX812 With Shimano original spare parts you can bring the efficiency of your components back to the new condition! Technical specifications: Material: plastic, metal Compatibility Rear Derailleur: SHIMANO Ultegra RD R8000 RD R8050 GRX RD RX812 Chain drive: 11 speed Number of teeth: 11 teeth bearing : Industrial ball bearing , sealed