SRAM Apex Rear Derailleur - 11 Speed Long Cage BlackSRAM Apex Rear Derailleur 11 Speed Long Cage Black. Apex derailleurs share all the compatibilty and many of the featrues of higher priced options. Pulleys have sealed cartridge bearings Aluminum cage and parallelogram TECH SPECS Cage Length Long Chain Wrap Capacity (teeth) 32 Color Black Drivetrain Speeds 11 Largest Cog 42 Rear Der Shifter Compatibility SRAM Exact Actuation Rear Derailleur Mount Type 10x1 Standard Weight 300