SRAM X3 Rear Derailleur - 789 Speed Long Cage Black Model Name-Thorn Resistant Schrader Valve ERC endurance specific carbon rims

ERC endurance specific carbon rims newly optimized for enhanced handling and crosswind stability

TechWALL high-strength woven nylon fabric from bead to bead for added cut and puncture protection

Planet Bike A

6/40mm) Offset 44mm Travel 110mm Spring Type DebonAir+ Brake Mount Disc Only (PM-160) Dropout 15x110mm Boost Weight - Color Black

SRAM X3 Rear Derailleur - 789 Speed Long Cage Black Model Name-Thorn Resistant Schrader Valve ERC endurance specific carbon rimsAffordable 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 Largest Cog 34 Color Black Rear Der Shifter Compatibility SRAM 1: 1 Rear Derailleur Mount Type 10x1 Standard Drivetrain Speeds 9 Weight 272 Chain Wrap Capacity (teeth) 45 Cage Length Long