Shimano Cues RD-U8020 Rear Derailleur - 11-Speed
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Condor CyclesShimano Light Cues Rd-U8020 11-Speed Rear Derailleur
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eBayShimano CUES Rear Derailleur SGS Shadow+ 11 Speed Mech U8020
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Team CyclesShimano Unisex Black Cues Rd-U8020 Sgs Long Cage Shadow+ 11-Speed Rear Derailleur
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Product Information
Full details
The Shimano Cues RD-U8020 rear derailleur is designed for riders seeking enhanced durability and smooth shifting for mid-grade cycling, including e-bike applications. Its primary benefit is the LINKGLIDE technology, offering up to 300% longer lifespan compared to current Hyperglide systems, ensuring reliability over time. A potential consideration is its specific compatibility with LINKGLIDE and HG 11-speed chains, requiring attention during component selection. Key features include a low-profile Shadow Plus design for stability, wide link construction for rigidity, and large sealed bearing pulleys for longevity.
All features
| Model Part Number | RD-U8020 |
|---|---|
| Brand | SHIMANO |
Extended Product Information
FAQs
What is the main advantage of LINKGLIDE technology?
LINKGLIDE technology is designed for significantly enhanced drivetrain durability, offering up to 300% longer service life compared to current Hyperglide drivetrains while maintaining smooth shifting.
Is this derailleur suitable for e-bikes?
Yes, the Shimano Cues RD-U8020 is e-bike rated, meaning it is designed and tested to withstand the higher torque and demands of electric bike drivetrains.
What type of chain should I use with this derailleur?
This derailleur is compatible with LINKGLIDE and HG 11-speed chains. Using a LINKGLIDE chain and cassette is recommended for optimal performance and durability.
What is the maximum cassette size this derailleur can handle?
The RD-U8020 can accommodate a maximum low sprocket size of 45T.
How does the Shadow Plus design improve performance?
The Shadow Plus design features a low-profile construction and a chain stabilizer that reduces chain bounce, leading to quieter operation, improved chain retention, and better clearance on rough terrain.
Can I use this derailleur with a 10-speed chain?
No, this is an 11-speed derailleur and requires an 11-speed chain for proper function. It is not compatible with 10-speed chains.
What is the total gear capacity of this derailleur?
The derailleur is designed for double chainrings with a total capacity of 48T and a maximum front difference of 14T.
Troubleshooting
Chain skipping or poor shifting
Check cable tension, ensure derailleur hanger is straight, and clean the derailleur and chain. Verify compatibility of cassette and chain.
Chain dropping off chainring
Adjust the limit screws (H and L) to prevent over-shifting. Ensure correct chainline and chain length.
Excessive chain noise or slap
Engage the Shadow Plus clutch (if applicable and adjustable) and ensure the chain stabilizer switch is active. Check for worn chain or cassette.
Derailleur body feels loose
Verify that the derailleur mounting bolt is securely tightened to the derailleur hanger.
Pros and Cons
Pros
- Exceptional durability with LINKGLIDE technology, offering extended service life.
- Smooth and stable shifting, even on rough terrain, due to Shadow Plus and chain stabilizer.
- Robust construction with aluminum components and sealed bearings for longevity.
- E-bike compatibility makes it suitable for electric bicycle applications.
- Versatile gearing support for various riding styles and terrain.
Cons
- Requires specific LINKGLIDE or HG 11-speed chains; not backward compatible with all 11-speed chains.
- May require specific adjustments for optimal performance, especially when paired with non-LINKGLIDE cassettes.
- Primarily designed for mid-grade riding, potentially lacking the ultimate performance of high-end groupsets.
Setup, Compatibility & Care
Setup: Proper installation is crucial for optimal performance. Ensure the derailleur is correctly mounted to the derailleur hanger and that the B-tension screw is adjusted according to Shimano's specifications for your chosen cassette size. Cable tension should be set for crisp shifting across all gears.
Compatibility: This derailleur is designed for 11-speed drivetrains and is specifically compatible with Shimano LINKGLIDE and HG 11-speed chains. It supports double chainring setups with a maximum total capacity of 48T. The maximum low sprocket size it can accommodate is 45T. It is recommended to use with LINKGLIDE cassettes for the full benefit of its durability features.
Care: Regularly clean the derailleur body and jockey wheels to remove dirt and debris. A mild degreaser and a soft brush can be effective. Lubricate the chain regularly with a suitable chain lubricant. Periodically check the derailleur hanger for alignment, as a bent hanger can negatively impact shifting performance.