NEW Shimano Dura-Ace RD-R9250D Di2 Rear Derailleur - 12-Speed, Medium Cage, Includes TL-EW300, Black price_changed_on_2024-11-09 or to the B-Rad base

or to the B-Rad base for additional carrying options

Motor System Shimano STEPS E7000 250W w/36V 500Wh Battery

Frame: DB Alternative Road

11- and 12-speed master links and chains (not compatible with Campagnolo 12-speed chains)

NEW Shimano Dura-Ace RD-R9250D Di2 Rear Derailleur - 12-Speed, Medium Cage, Includes TL-EW300, Black price_changed_on_2024-11-09 or to the B-Rad baseThe Shimano Dura Ace RD R9250 rear derailleur integrates the system charging port and a wireless connectivity unit all while delivering super fast, precise shifting worthy of any podium. A single cage length shifts cassettes from 11 28 to 11 34, offering exceptional versatility. Ultra fast rear Di2 shifting Compact design includes an integrated wireless unit, charger, switch Wider range capacity Max. low sprocket: 34t CFRP rear derailleur plate LED