Shimano FC-U4000-2 CUES Chainset - 170mm 36/22T
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Product Information
Full details
This Shimano FC-U4000-2 CUES chainset is designed for riders seeking a durable and versatile crankset for 9/10/11-speed systems. Its key benefit lies in the enhanced durability of LINKGLIDE technology, offering up to 300% more lifespan than standard Hyperglide drivetrains, while providing smooth shifting. A potential caveat is its compatibility with specific bottom bracket types.
All features
| Model Part Number | FCU40002C62 |
|---|---|
| Brand | SHIMANO |
Extended Product Information
FAQs
What bottom bracket type is required for the FC-U4000-2 chainset?
This chainset requires a square type bottom bracket. The Shimano BB-UN101 is recommended for optimal fit and performance.
Can I use this chainset with my 10-speed drivetrain?
Yes, the Shimano FC-U4000-2 is designed for 9, 10, and 11-speed rear systems.
What is the advantage of LINKGLIDE technology?
LINKGLIDE technology significantly enhances drivetrain durability, offering up to 300% more lifespan compared to current Hyperglide drivetrains, while ensuring smooth and reliable shifting.
Are the chainrings replaceable?
Yes, the chainrings are steel and can be replaced if they become worn, although their durability is a key feature.
What is the Q-Factor of this crankset?
The Q-Factor for the Shimano FC-U4000-2 CUES chainset is 178mm.
Does this chainset come with a bottom bracket?
No, the chainset includes mounting screws, but the bottom bracket is sold separately. A square type bottom bracket, such as the BB-UN101, is required.
What is the gear ratio of the chainrings?
The chainrings have a 36T outer ring and a 22T inner ring (36/22T).
Troubleshooting
Chain skipping or poor shifting
Ensure the chain is properly aligned and compatible (LINKGLIDE recommended). Check for chain wear and adjust derailleur indexing if necessary.
Crank arm feels loose
Check that the crank arm bolts are tightened securely to the bottom bracket spindle. If the issue persists, the bottom bracket may need servicing or replacement.
Noise or creaking from the crankset
Inspect crank arm bolts and chainring bolts for tightness. Ensure the bottom bracket is properly installed and greased. Clean and re-lube the chain.
Chainline appears off
Verify that the correct bottom bracket length is used. The FC-U4000-2 is designed for a 48.8mm chainline.
Pros and Cons
Pros
- Enhanced durability with LINKGLIDE technology.
- Versatile 36/22T gear ratio for varied riding.
- Steel chainrings for increased lifespan.
- Simplified compatibility across 9/10/11-speed systems.
- Good value 3-piece crankset design.
Cons
- Requires a square type bottom bracket.
- Optimized for LINKGLIDE chains, may not perform best with other types.
- Slightly higher Q-factor (178mm) compared to some performance cranksets.
Setup, Compatibility & Care
Setup:
- Ensure you have a compatible square type bottom bracket installed (Shimano BB-UN101 is recommended).
- Mount the crank arms onto the bottom bracket spindle according to standard square taper installation procedures.
- Attach the chainrings using the provided mounting screws.
- Install your preferred 9, 10, or 11-speed chain, ensuring it is compatible with LINKGLIDE technology for optimal performance.
Compatibility:
- Speeds: Compatible with 9, 10, and 11-speed rear systems.
- Chains: Works with HG 11-speed chains and LINKGLIDE chains.
- Bottom Bracket: Requires a square type bottom bracket. BB-UN101 is recommended.
- Q-Factor: 178mm.
- Chainline: 48.8mm.
Care:
- Clean the chainrings regularly with a soft brush and mild degreaser to remove dirt and grime.
- After riding in wet or muddy conditions, wipe down the crankset and drivetrain components.
- Periodically check crank arm bolts for tightness.
- Lubricate the chain regularly to ensure smooth operation and prevent wear.