Gravity
Gravity Sram x4 Rear Derailleur Long Cage
Reliable Shifting Performance for Mountain and Hybrid Bikes The SRAM X.4 Rear Derailleur provides precise and dependable shifting for recreational mountain biking and hybrid cycling. Specifications Cage Length: Long Capacity: 45T Derailleur Action: Top-Normal (Traditional) Drivetrain Spacing...
$23.00*
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*Price sourced from Amazon.com. Last updated:Aug 28, 2026.Price and availability are subject to change — details.
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Overview
Reliable Shifting Performance for Mountain and Hybrid Bikes
The SRAM X.4 Rear Derailleur provides precise and dependable shifting for recreational mountain biking and hybrid cycling.Specifications
- Cage Length: Long
- Capacity: 45T
- Derailleur Action: Top-Normal (Traditional)
- Drivetrain Spacing: SRAM 9
- Largest Cog: 34T
- Min/Max Cog: 11/34T
- Speeds: 7/8/9-speed compatible
- Weight: 310g
Key Features
Cage Lengths: SGS-long, Capacity: 45T, Derailleur Action: Top-Normal (Traditional)
Derailleur Color: black, Drivetrain Spacing: Shim /SRAM 9, Largest Cog: 34teeth, Min/Max: 11/34T
Shifter/Rear Derailleur : SRAM 1:1, Speeds: 7/8sp, Speeds: 8sp, Speeds: 9sp, Weight: 310g
NO RETAIL PACKAGING
Specifications
Cage Length
SGS-long
Capacity
45T
Derailleur Action
Top-Normal (Traditional)
Derailleur Color
black
Drivetrain Spacing
Shim /SRAM 9, SRAM 1:1
Largest Cog Supported
34teeth
Min/Max Cog Supported
11/34T
Speeds Compatible
7/8sp, 8sp, 9sp
Weight
310g
Frequently Asked Questions
What does "SGS-long cage" mean for this rear derailleur?
SGS-long cage indicates that the derailleur has a long cage length, which is designed to handle a wider range of gears and larger capacity cassettes, specifically up to 45T capacity.
What is the maximum size cog this derailleur can accommodate?
This Gravity Sram x4 rear derailleur is designed to work with a largest cog of up to 34 teeth, which is beneficial for climbing and varied terrain.
Is this derailleur compatible with both Shimano and SRAM shifters?
While it lists "Shim/SRAM 9" drivetrain spacing, it explicitly specifies "SRAM 1:1" for the shifter/rear derailleur compatibility, indicating it is primarily designed for SRAM 1:1 actuation shifters.
What speeds is this rear derailleur compatible with?
This derailleur is compatible with 7-speed, 8-speed, and 9-speed drivetrains, offering versatility for a range of older and mid-range bicycle setups.
Does this product come in its original retail packaging?
No, the product description explicitly states "NO RETAIL PACKAGING."
What is the weight of this Gravity Sram x4 rear derailleur?
This rear derailleur weighs 310g, making it a relatively lightweight component for its category.
What is "Top-Normal (Traditional)" derailleur action?
Top-Normal derailleur action means the derailleur rests in the smallest cog when there's no cable tension, which is the traditional setup for most mechanical rear derailleurs.
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