SRAM GX Rear Derailleur - 11 Speed Long Cage Black 1x With Clutch MFPN=18130-20 Sealed cartridge bearings pulleys

Sealed cartridge bearings pulleys

even without cellphone coverage

spindle CrMo size 9/16" color red weight 355g

I-Spec B adapter is backward compatible with I-Spec A clamps

37 BB/Frame Interface English BB Shell Width (mm) 73 Weight 114 Spindle Interface Type SRAM DUB Defined Color Black

SRAM GX Rear Derailleur - 11 Speed Long Cage Black 1x With Clutch MFPN=18130-20 Sealed cartridge bearings pulleysSRAM GX Rear Derailleur 11 Speed Long Cage Black 1x With Clutch. GX derailleurs share the key features of higher priced models and are available for 1x11 and 2x11 drive trains. TECH SPECS Rear Derailleur Mount Type 10x1 Standard Rear Der Shifter Compatibility SRAM X Actuation Cage Length Long Drivetrain Speeds 11 Weight 256 Color Black Chain Wrap Capacity (teeth) 32 Largest Cog 42