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  • Sram Sram, Rear Derailleur GX Eagle 12spd Lunar Polar

Sram, Rear Derailleur GX Eagle 12spd Lunar Polar

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Please enquire for all 'out of stock' items.

Out of stock. Please enquire for all out of stock items.

The GX EAGLE™ Derailleur is the Derailleur for riders who want their Drivetrain to do it's job, whether under the stressors of climbing or sprinting for a stage finish. With an updated cage architecture that improves chain management. The GX EAGLE™ is perfected to work with the new 10-52T Cassettes whilst remaining compatible with the 10-50T versions. Giving the rider to personally choose either cassette. Remaining the GX Eagle™ master Colourway to match and other EAGLE componentry on the riders bike. The GX Eagle™ Derailleur is set to make a statement both on the race course and through the lens.

Cage Lock With CAGE LOCK technology in the rear derailleur, wheel removal and instillation becomes faster and simpler. Just push the cage forward to create slack and lock it into place.

X-ACTUATION Developed specifically for the SRAM 1x Drivetrains. X-ACTUATION keeps shifting sharp and consistent across the enTyre cassette.

Roller Bearing Clutch ROLLER BEARING CLUTCH technology eliminates derailleur bounce and chain slap without sacrificing precision

X-Horizon This Rear Derailleur’s “Straight Parallelogram” design limits all movement to the horizontal axis which makes unwanted shifting impossible while also reducing shift force. For quicker, more exact shifting. The large upper pully maintains a constant chain gap across all gears.

EAGLE™ EAGLE™ Technology represents the newest in 1x drivetrain technology. Being lighter, simpler, more durable, and easier to use. EAGLE™ Features all the newest technological advancements, engineered for durability and performance whilst maintaining a significant weight benefit. EAGLE™ Also provides a 500% increase of range which is equal to a 2x11 Drivetrain.

X-Sync2 SRAM X-Sync2 EAGLE™ is the next evolution of X-Sync technology. The aggressive teeth provide better chain retention for a smoother more efficient pedal feel, With a heavy focus on Durability. The Design also reduces friction and the accumulation of mud, grit, and grime.


  • Speed: 12s
  • Colour: Lunar
  • Cage material: Aluminium
  • Pulley bearings material: Steel
  • Weight: 290g
  • Compatibility: Eagle™ cassette and shifter only
  • Cage length: Long
  • 52t Max
  • Largest sprocket: 50 teeth
  • Smallest sprocket: 10 Teeth

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