Shimano Tiagra ST-4700 10-Speed Right STI Lever Black MFPN=AXLE12-178-150 }Wheels Manufacturing Derailleur Hanger -

}Wheels Manufacturing Derailleur Hanger - 475

}TRP Spyke Mechanical Post-Mount Caliper for long-pull levers without rotor Black

} Double-dipped

}Promax SC-1 Square Taper Chromoly JIS Bottom Bracket 108mm Black

When not in use it stores under the saddle or just take it off

Shimano Tiagra ST-4700 10-Speed Right STI Lever Black MFPN=AXLE12-178-150 }Wheels Manufacturing Derailleur Hanger -Shimano Tiagra ST 4700 10 Speed Right STI Lever Black. The Shimano Tiagra ST 4700 dual control lever features Reach Adjust and and an ergonomic form that is compatible with 2x10 speed drivetrains. Shimanos OPTISLICK cables feature a minimal and uniform electrically coated layer that improves cable routing efficiency and provides excellent corrosion resistance SUPER SLR design makes use of a friction reducing mechanism lever and cable that improves