Shimano Dura-Ace FD-R9250 Di2 Front Derailleur - 2x12-Speed Braze-on Down Swing For 50-55t Max BLK/Silver MFPN=ODW-158-HBK Zipp's single-wall approach Moto Technology

Zipp's single-wall approach Moto Technology allows the rims to "pivot" from either side of the spoke bed while traversing rough terrain

}SRAM 900 Rear Hub - QR x 135mm/12 x 142mm 6-Bolt HG 11 Road Black 32H

Shimano Dura-Ace RD-R9150 Di2 Rear Derailleur

8 Bar Drop (mm) 120 Bar Reach (mm) 80 Bar Top Style Round Cable Routing External Clip-on Compatible No Color Black Defined Color Black Drop Bend Style Compact Flare 16 Material Carbon Weight 220 Width 40 Width Measurement Center

Color Black Defined Color Black Length 288 Spoke Interface J-Bend Spoke Profile Bladed/Double Butted Thread Diameter 2

Shimano Dura-Ace FD-R9250 Di2 Front Derailleur - 2x12-Speed Braze-on Down Swing For 50-55t Max BLK/Silver MFPN=ODW-158-HBK Zipp's single-wall approach Moto TechnologyShimano Dura Ace FD R9250 Di2 Front Derailleur 2x12 Speed Braze on Down Swing For 50 55t Max Black Silver. Despite its smaller lighter design the Shimano Dura Ace FD R9250 offers ultra fast front shifting. Fast Di2 shifting performance Smaller sleeker lighter Frontal area is smaller than previous designs to reduce aerodynamic drag Top gear teeth capacity: 50 55t TECH SPECS Derailleur Capacity 16 Double or Triple Double Drivetrain Speeds 12 Front Der