SRAM X4 Rear Derailleur - 789 Speed Long Cage Black MFPN=BM8703013 level 2) and chest pad

level 2) and chest pad for increased protection

Flattop profile unbelievable shifting performance game-changing aesthetics

}Wheels Manufacturing M5 X 10mm Socket Head Cap Screw Stainless Steel Bottle/50

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

} CNC machined aluminum seatpost clamp weighing in at 19g

SRAM X4 Rear Derailleur - 789 Speed Long Cage Black MFPN=BM8703013 level 2) and chest padSRAM 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