Shimano Tiagra CS-RS400 Cassette - 11-Speed - 11-36T
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Team CyclesShimano Unisex Silver Tiagra Cs-Rs400 11 Speed 11-36T Cassette
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Product Information
Full details
The Shimano Tiagra CS-RS400 11-speed cassette is an ideal upgrade or replacement component for cyclists running the Tiagra R4000 groupset who prioritize reliable, smooth shifting performance. Engineered with a wide 11-36T range, it is specifically built to assist riders on steep climbs while maintaining durability; however, potential users should note it is optimized primarily for the Tiagra R4000 platform and requires an 11-speed compatible drivetrain.
All features
| Model Part Number | ECSRS40011136 |
|---|---|
| Brand | Shimano |
Extended Product Information
FAQs
Is this cassette compatible with 10-speed systems?
No, this is specifically designed for 11-speed drivetrains.
Does this require a special freehub body?
It is compatible with standard Shimano 11-speed road freehub bodies.
Can I use this with a short-cage derailleur?
Most short-cage derailleurs cannot accommodate a 36T sprocket; please verify your derailleur's maximum tooth capacity.
What is the primary benefit of the nickel-plating?
The nickel plating serves as a protective barrier to reduce rust and corrosion from sweat, water, and road salt.
Do I need a new chain when installing this cassette?
It is highly recommended to install a new 11-speed chain whenever you replace a cassette to ensure proper meshing and prevent premature wear.
Troubleshooting
Difficulty shifting into the largest 36T sprocket
Check your rear derailleur B-tension screw; you may need to adjust it to provide more clearance between the derailleur jockey wheel and the cassette.
Noise or chain skip under pressure
Ensure the lockring is torqued to the manufacturer's specification and check your chain for excessive wear using a chain checker tool.
Pros and Cons
Pros
- Excellent shifting reliability under heavy load
- Wide gear range perfect for steep climbing
- High-quality nickel plating for long-term corrosion resistance
- Lightweight construction with optimized rigidity
Cons
- Limited to specific 11-speed drivetrain compatibility
- Requires specific derailleur capacity for 36T sprocket
- Slightly heavier than high-end carbon-spider cassettes
Setup, Compatibility & Care
To install the CS-RS400, you will need a standard cassette lockring tool and a chain whip. Ensure your freehub body is clean and lightly greased before sliding the sprockets on in the correct sequence. The cassette is compatible with standard 11-speed chains. When pairing with a derailleur, verify that your rear derailleur has a 'medium' or 'long' cage capable of handling a 36-tooth cog. For maintenance, clean the cassette regularly with a degreaser and a stiff brush to remove road debris and old lubricant, then re-apply a high-quality bicycle chain lubricant to keep the shifting crisp.