SRAM X4 Rear Derailleur - 789 Speed Long Cage Black MFPN=BM8703013 Spacing increased between bikes to

Spacing increased between bikes to 14"

6 / IS52/40 Tall Cover Headset Black

Spindle Interface Type Hollowtech II

Multi-ply 60tpi Nylon for improved reliability and handing performance

SRAM X4 Rear Derailleur - 789 Speed Long Cage Black MFPN=BM8703013 Spacing increased between bikes toSRAM 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