shimano-ultegra-rd-r8150a-di2-rear-derailleur-12-speed-medium-cage-includes-tl-ew300-black
shimano-ultegra-rd-r8150a-di2-rear-derailleur-12-speed-medium-cage-includes-tl-ew300-black, With 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, switchWider range capacityMax. low sprocket 34tLED status indicatorBattery indicator, pairing, adjust mode etc.