SRAM X4 Rear Derailleur - 789 Speed Long Cage Black body/blade-carbon/yellow This results in more time

This results in more time riding

size 29" internal/external 29/32

Includes B05S resin brake pads Brake Caliper Type Post Mount Rotor Included No Brake Lever Use Left

tested and manufactured in Barnoldswick

SRAM X4 Rear Derailleur - 789 Speed Long Cage Black body/blade-carbon/yellow This results in more timeSRAM X4 Rear Derailleur 789 Speed Long Cage Black. Affordable and reliable derailleur is great for repairs and upgrades. Compatible with 7 8 and 9 speed systems 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 280 Chain Wrap Capacity