Shimano Ultegra FD-R8150 Di2 Front Derailleur - 2x12-Speed Braze-on Down Swing For 50-54t Max BLK/Silver MFPN=TB00093800 The Shimano XTR M9100 is

The Shimano XTR M9100 is designed to withstand full force pedalling on the roughest trails with smooth shifting and exceptional chain stability

XT FH-M8110/M8130 Rear HubThe aluminum Micro Spline freehub body is lightweight and seamlessly integrates with small 10-tooth top gears

}RockShox Vivid / Kage Coil Spring 350lb 8

}Ritchey Comp 1-1/8" Logic Headset Threadless - EC34/28

Shimano Ultegra FD-R8150 Di2 Front Derailleur - 2x12-Speed Braze-on Down Swing For 50-54t Max BLK/Silver MFPN=TB00093800 The Shimano XTR M9100 isShimano Ultegra FD R8150 Di2 Front Derailleur 2x12 Speed Braze on Down Swing For 50 54t Max Black Silver. Combining Shimanos Di2 platform and the road incarnation of Hyperglide+ the Ultegra FD R8150 front derailleur shifts between chainrings with the fast and seamless action. Small sleek and lightweight front derailleur Frontal area is smaller than previous designs to reduce aerodynamic drag Top gear teeth capacity: 50 54t TECH SPECS Derailleur