SRAM Apex Rear Derailleur - 11 Speed Long Cage Black 184x51 }SRAM X-Sync Pulley Assembly Fits

}SRAM X-Sync Pulley Assembly Fits NX1 Apex 1 11-Speed Derailleurs

Adaptor tool for mounting a chainring STePS DU-E6000 / DE-E6001 drive unit

}Park Tool SCW-18 Cone wrench: 18mm

This item includes the strap extender for the rear tire strap and a secondary velcro strap for the front tire

SRAM Apex Rear Derailleur - 11 Speed Long Cage Black 184x51 }SRAM X-Sync Pulley Assembly FitsSRAM 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