Ergon Flip Head Kit - for Carbon Rails MFPN=122530 }Shimano GRX RD-RX400 Rear Derailleur

}Shimano GRX RD-RX400 Rear Derailleur - 10-Speed Long Cage Black With Clutch

A stiff light 32mm-stanchion chassis and the VTT damper deliver maximum terrain sensitivity in rocky rutted sections and maximum efficiency during all-out pedaling efforts

5mm Spacers for 30mm Spindles Pack/10

}RaceFace CINCH Crank Bolt with Washer - NDS M18 Gloss Black

52mm Chainline achieved with TRP CR-M9050 3mm offset chainrings

Ergon Flip Head Kit - for Carbon Rails MFPN=122530 }Shimano GRX RD-RX400 Rear DerailleurErgon Flip Head Kit for Carbon Rails. For the best possible adjustment of your saddle position the Flip Head Kit is deisgned for use with CF Allroad Pro leaf spring seatposts. The Flip Head Kit clamps are compatible with 79mm oval carbon rails from various saddle manufacturers on the market today. Aluminum construction Designed for 7x9mm oval carbon rails