Shimano Dura-Ace RD-R9250F Di2 Rear Derailleur - 12-Speed Medium Cage Includes TL-EW300 BLK MFPN=999485 5" keyword search electric bikes

5" keyword search electric bikes electric bicycle e-bike e-bikes Hub Drilling 32 Rim Material Alloy Tire Type Tubeless Ready Valve Presta Rim Center Offset (mm) 0

Color Black Core Yes Size S

Bearing Type Cartridge Color Black keyword search Trek Knock Block Upper Stack Height 8 S

Engineered scoop lifts tire bead away from the rim with ease

} In-mold construction BOA® fit system 18 vents Bike light compatible Removable visor CPSC standards EN1078

Shimano Dura-Ace RD-R9250F Di2 Rear Derailleur - 12-Speed Medium Cage Includes TL-EW300 BLK MFPN=999485 5" keyword search electric bikesThe 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 status