Shimano Deore XT Rear Derailleur - SGS
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Team CyclesShimano Unisex Black M8130 Deore Xt Shadow+ Sgs 11 Speed Rear Derailleur
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eBayShimano Deore RD-M8130 XT Link Glide 11-Speed Shadow+ SGS Rear Derailleur
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Product Information
Full details
This guide is for mountain bikers and trail riders seeking a durable, precise, and reliable 11-speed rear derailleur for their 1x drivetrains. The Shimano Deore XT RD-M8130-SGS delivers fast, quiet shifting and superior chain retention on rough terrain, making it ideal for demanding conditions. A potential consideration is its specific compatibility with the LINKGLIDE shifting system.
All features
| Model Part Number | RDM8130SGS |
|---|---|
| Brand | SHIMANO |
Extended Product Information
FAQs
What does 'SGS' mean for the rear derailleur?
SGS refers to the long cage version of the derailleur. A long cage typically offers a greater chain wrap capacity, making it suitable for a wider range of chainring sizes and for 1x drivetrains with a large cassette range.
Can I use this derailleur with a Shimano Hyperglide (HG) cassette?
No, this derailleur is specifically designed for Shimano's LINKGLIDE system. It will not function correctly with Hyperglide (HG) or other non-LINKGLIDE cassettes and shifters.
How does the Shadow+ feature help?
Shadow+ incorporates a clutch mechanism that increases chain tension. This significantly reduces chain slap and bounce on rough terrain, leading to quieter operation and preventing chain drops.
What is the warranty period for this derailleur?
Warranty information is typically provided by the retailer or manufacturer. Please refer to your proof of purchase and Shimano's official warranty documentation for details.
How do I adjust the B-tension on this derailleur?
The B-tension screw adjusts the gap between the upper pulley and the cassette cogs. Consult the Shimano installation manual for your specific RD-M8130-SGS model for the correct adjustment procedure and recommended gap.
Is this derailleur suitable for e-bikes?
While durable, this derailleur is designed for standard bicycle drivetrains. E-bike drivetrains often require specific components designed for higher torque. Always check manufacturer specifications for e-bike compatibility.
Troubleshooting
Shifting is slow or inaccurate
Check cable tension and adjust barrel adjuster. Ensure the derailleur hanger is straight. Verify that the shifter and cassette are compatible LINKGLIDE components. Clean and lubricate the derailleur and shift cable.
Chain is bouncing excessively or dropping
Ensure the Shadow+ chain stabilizing switch is engaged (ON). Check for proper B-tension adjustment. Confirm the chain length is correct for the drivetrain.
Derailleur makes loud noise
Clean and lubricate the chain and jockey wheels. Check for any foreign objects or debris interfering with movement. Ensure the derailleur is properly adjusted and not making contact with the frame.
Derailleur appears bent or damaged
Visually inspect the derailleur hanger and the derailleur body for any signs of bending or damage. A bent hanger is a common cause of poor shifting and can damage the derailleur. Replace the hanger if necessary. If the derailleur itself is damaged, it may need replacement.
Pros and Cons
Pros
- Exceptional chain retention on rough terrain thanks to Shadow+ and chain stabilization.
- Smooth and quiet operation due to low-friction components and Shadow+ design.
- Durable construction with cold-forged alloy links and sealed pulleys.
- Precise and fast shifting performance ideal for aggressive riding.
- Reduced chain stress in lower gears with 13T pulleys.
Cons
- Specifically designed for LINKGLIDE systems; may not be compatible with other shifter/cassette combinations.
- 11-speed specific, limiting upgrade paths to systems with more gears.
- Long cage (SGS) may offer slightly less ground clearance compared to shorter cages.
- Requires proper setup and adjustment for optimal performance.
Setup, Compatibility & Care
Setup: This derailleur is designed for 1x11-speed drivetrains and is specifically compatible with Shimano LINKGLIDE shifters and cassettes. Ensure your derailleur hanger is straight and compatible with the mounting bolt. Follow Shimano's official installation manual for precise cable routing, B-tension adjustment, and limit screw settings. Proper adjustment is crucial for optimal performance and longevity.
Compatibility: Primarily compatible with Shimano 11-speed LINKGLIDE shifters and cassettes. It is not designed for Hyperglide (HG) or other shifting systems. Ensure your rear hub is compatible with the chosen LINKGLIDE cassette.
Care: Regularly clean the derailleur body and jockey wheels using a degreaser and a brush. Inspect the jockey wheel bearings and pulleys for wear or damage. Lubricate the chain regularly and keep it clean. Avoid harsh pressure washing directly at the derailleur body to preserve seals.