Shimano Dura-Ace RD-R9250F Di2 Rear Derailleur - 12-Speed Medium Cage Includes TL-EW300 BLK CheckoutTitle=Shimano Dura-Ace 16t 1/8 Track Cog

Shimano Dura-Ace RD-R9250F Di2 Rear Derailleur - 12-Speed Medium Cage Includes TL-EW300 BLK CheckoutTitle=Shimano Dura-Ace 16t 1/8 Track CogShimano Dura Ace RD R9250F Di2 Rear Derailleur 12 Speed Medium Cage Includes TL EW300 Black. The 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

Mfg Size 50 Defined Color Blue Rear Axle QR x 135mm Wheel Size 650b Frame Material Steel Frame Type Rigid Color Chlorine Dream Platform Straggler Front Axle QR x 100mm TT (Effective) 535 Brake Type Disc Fork Material Steel Fork Type Rigid

Mfg Size 54 Defined Color Black Rear Axle 12mm Thru x 142mm Wheel Size 26" Platform Disc Trucker Frame Material Steel Frame Type Rigid Front Axle 12mm Thru x 100mm Color Hi-Viz Black TT (Effective) 560 Brake Type Disc Fork Type Rigid

Direct mount forged then CNC machined 7075-T6 aluminum chainring

Bobbins bolt onto the Robert Axle Bob model to allow towing of a Bob trailer

Chainline/Hub Compatibility 135/142 MTB Hubs Chainline/Hub Compatibility 170/177 Hubs Chainring BCD Sram Direct Mount Color Black Defined Color Black Direct Mount Type Direct Mount SRAM Drivetrain Speeds 9 Drivetrain Speeds 10 Drivetrain Speeds 11 Drivetrain Speeds 12 Material Aluminum Offset 6 Ring Position/Type Chain Retaining Single Ring Round or Oval Round Tooth Count 42

}RockShox Re:Aktiv Piston Socket Deluxe

2 Clincher Folding Black

to time trials and the peloton all the way to your transcontinental adventure

Spoke Profile Straight Gauge Color Black Length 315 Spoke Interface J-Bend Defined Color Black

Defined Color Black Brake Lever Use Right Color Black Rotor Included No Hydraulic Fluid Type Mineral Oil Rear Der/Shifter Compatibility Shimano Road Drivetrain Speeds 11 Weight 504 Front Der/Shifter Compatibility Shimano Road Adjustable Contact Point No Adjustable Reach Yes

Chain Connection Type Pressed Pin Defined Color Gray Defined Color Brown Drivetrain Speeds 10 Half Link Chain No Links (links) 116 Weight 280

GX shifters take the place of X