SRAM X3 Rear Derailleur - 789 Speed Long Cage Black 30 lumens Beacon Light will illuminate when

Beacon Light will illuminate when your tail lights are on and will brighten to full brightness when you apply the brakes

}SRAM DUB Wide PressFit Bottom Bracket - PressFit 86

}RockShox Motion Control Knob Standard Alum w/ Cir-Clip

} 15 lumens usb-c rechargeable rear light

SRAM X3 Rear Derailleur - 789 Speed Long Cage Black 30 lumens Beacon Light will illuminate whenSRAM 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