Shimano Ultegra RD-R8150F Di2 Rear Derailleur - 12-Speed, Medium Cage, Includes TL-EW300, Black Bike Accessories_Bike Case Light PU padding for comfort

Light PU padding for comfort and performance on longer rides

OEM hose kit for Alivio BR-4050

The magic starts in the center tread

An update of one of our all-time greats

Shimano Ultegra RD-R8150F Di2 Rear Derailleur - 12-Speed, Medium Cage, Includes TL-EW300, Black Bike Accessories_Bike Case Light PU padding for comfortWith the fast and accurate Di2 shifting technology, the Shimano 12 speed Ultegra RD R8150 rear derailleur is extremely versatile thanks to a single cage length option compatible with 11 28, 11 30, and 11 34 cassettes. Compact design includes an integrated wireless unit, charger, switch Wider range capacity Max. low sprocket 34t LED status indicator Battery indicator, pairing, adjust mode etc. Color: Black Largest Cog: 34 Rear Derailleur Mount Type: