SRAM 1X12 Speed GX EAGLE LUNAR MTB Bike Rear Derailleur Outside Aluminum Carbon Cage Bicycle Repair Part
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Specifications
- Brand Name
- Sram
- Origin
- Mainland China
- High-concerned chemical
- None
- Type
- Rear Derailleur
- Components
- Derailleurs
- Material
- Alloy
Product Description
The sram aluminum alloy rear derailleur guide is removed from the SRAM GX EAGLE rear derailleur, so there is only one guide, no screws.
SRAM Aluminum Cageabout 36g.
DIY Carbon Cage about 27g
Pros & Cons
Pros
- Genuine SRAM OEM replacement part for guaranteed fit and performance
- Two cage material options for weight and durability customization
- Cost-effective alternative to purchasing a full complete rear derailleur
Cons
- Only includes the guide cage, no mounting screws included for installation
- Limited compatibility only with SRAM GX Eagle 1x12 speed drivetrains
- International shipping from Mainland China may lead to longer delivery times
Common Questions
What material is the included cage?
The standard included cage is aluminum alloy (weighing ~36g), and a DIY carbon fiber cage option is available weighing ~27g.
What is this part designed for?
This is a replacement guide cage removed directly from a SRAM GX Eagle 1x12 speed MTB rear derailleur for repair or upgrades.
Which drivetrains is this part compatible with?
It is purpose-built exclusively for SRAM GX Eagle 1x12 speed rear derailleurs.
How much does each cage variant weigh?
The aluminum alloy cage weighs approximately 36g, while the optional carbon fiber cage weighs around 27g.
Where does this item ship from?
This product ships from Mainland China per its listed origin.
Product information last updated on January 1, 2026