NEW Shimano Dura-Ace RD-R9250F Di2 Rear Derailleur - 12-Speed, Medium Cage, Includes TL-EW300, Black price_changed_on_2024-01-31 625 watt-hour (Wh) Bosch PowerTube

625 watt-hour (Wh) Bosch PowerTube internal battery

Seat: BMX style padded

cables and brake pivot points

Cassette: SRAM XX1 Eagle XG-1299 Cassette - 12-Speed

The HydroHC brake platform uses a 2-piece flat mount caliper design and features CenterLine XR CenterLock rotors with a streamlined spider that's optimized for road use

NEW Shimano Dura-Ace RD-R9250F Di2 Rear Derailleur - 12-Speed, Medium Cage, Includes TL-EW300, Black price_changed_on_2024-01-31 625 watt-hour (Wh) Bosch PowerTubeThe 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