SRAM GX Eagle Rear Derailleur - 12-Speed Long Cage 52t Max Lunar MFPN=902322100 The S2 build features flex

The S2 build features flex and camber optimized to excel in a wide range of snow conditions

CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older Helmet Style Tri/TT Helmet Style Road Maximum Head Circumference 62 Defined Color Gray

} Attractive aluminum display with 3 Lock-on grips and 4 Standardgrips

Stealth-a-majig connector makes initial setup fast and convenient

Control knob for precision air release

SRAM GX Eagle Rear Derailleur - 12-Speed Long Cage 52t Max Lunar MFPN=902322100 The S2 build features flexThe GX Eagle Rear Derailleur gets the job done with a thoughtfully designed cage architecture that improves chain management. Mounting system and re positioned Cage Lock offer greater durability Sealed cartridge pulley bearings Rear Derailleur Mount Type 10x1 Standard Rear Der Shifter Compatibility SRAM X Actuation Cage Length Long Drivetrain Speeds 12 Color Lunar Chain Wrap Capacity (teeth) 42 Largest Cog 52