SRAM Red Rear Derailleur (Black) (11 Speed) (Medium Cage)

Top-of-the-line rear derailleur with generous use of carbon fiber and titanium for maximum performance at minimal weight. Features: Carbon fiber and aluminum construction Ceramic bearing pulleys Titanium hardware Specs: Drivetrain Speeds11 ColorBlack Rear Der/Shifter CompatibilitySRAM Exact Actuation Rear Derailleur Mount Type10x1 Standard Weight152g Largest Cog32 Cage LengthMedium keyword searchRD4621 Chain Wrap Capacity (teeth)37teeth Substitutes: RD4623 See Also: LU4721