SRAM X3 Rear Derailleur - 789 Speed Long Cage Black Model=Deore XT FD-M8100 }Shimano Dura-Ace 9000 53t 110mm

}Shimano Dura-Ace 9000 53t 110mm 11-Speed Chainring for 39/53t

Color Black Length 172

}RockShox 35mm Charger2 RC Crown Knob Kit for BoXXer RC C1

11/12 speed

SRAM X3 Rear Derailleur - 789 Speed Long Cage Black Model=Deore XT FD-M8100 }Shimano Dura-Ace 9000 53t 110mmSRAM X3 Rear Derailleur 789 Speed Long Cage Black. Affordable and reliable derailleur is great for repairs and upgrades. Will work with 7 8 or 9 speed cassettes depending on the shifter used 1: 1 shifter to derailleur actuation ratio for precise light action indexing TECH SPECS Largest Cog 34 Color Black Rear Der Shifter Compatibility SRAM 1: 1 Rear Derailleur Mount Type 10x1 Standard Drivetrain Speeds 7 Drivetrain Speeds 8 Drivetrain Speeds 9 Weight