Shimano Acera CS-HG400 8-speed cassette - 11-40T
Best current price£29.99from Tredz
Best offers
Shopping.co.uk recommended and popular offers
Tredz£29.99Visit shop Shimano Silver Cs-Hg400 8-Speed Cassette Size 8
Visit shopTredz£29.99Visit shop All Offers
4 offers from £29.99 - £34.50
View price history by clicking the chart icon.
Shimano CS-HG400 8 Speed Bike Cassette 11-40TFree delivery in 1–3 days£33.99Visit shop →
Shimano Acera Cassette Sprocket - CS-HG400 8 Speed 11-40TFree delivery in 1–3 days£34.50Visit shop →
Product Information
Full details
This guide is for cyclists looking to upgrade or replace their 8-speed cassette. The Shimano Acera CS-HG400 cassette provides smooth, reliable shifting performance, especially with its MegaRange gearing for easier climbing. However, it's essential to ensure compatibility with your existing drivetrain components.
All features
| Model Part Number | Cshg4008140 |
|---|---|
| Brand | SHIMANO |
Extended Product Information
FAQs
What type of chain is compatible with this cassette?
This cassette is compatible with 8-speed HG (Hyperglide) chains.
What is MegaRange?
MegaRange refers to the cassette's large 40T sprocket, which provides a very low gear for easier climbing.
How do I clean the cassette?
Use a degreaser and a brush to remove dirt and grime. Rinse with water and dry thoroughly before lubricating the chain.
How often should I replace the cassette?
The lifespan of a cassette varies depending on use and maintenance, but generally, it should be replaced when the teeth show significant wear or shifting performance degrades.
Can I use this cassette with a 9-speed drivetrain?
No, this cassette is designed for use with 8-speed drivetrains only.
What tools do I need to install this cassette?
You will need a cassette removal tool, a chain whip, and a torque wrench (recommended).
What is the nickel-plated finish for?
The nickel-plated finish provides enhanced corrosion resistance, increasing the cassette's durability and lifespan.
Troubleshooting
Poor shifting performance or chain skipping
Check and adjust the rear derailleur indexing. Ensure the chain is clean and lubricated. Inspect the cassette and chain for wear and replace if necessary.
Chain is not engaging smoothly on the sprockets
Verify that the chain is compatible with an 8-speed HG system. Check the cassette teeth for damage and replace it if needed.
Noise or clicking sounds when pedaling
Check the cassette lockring is properly tightened. Inspect for any debris or obstructions between the cassette and the frame.
Pros and Cons
Pros
- Improved climbing ability with the 40T MegaRange sprocket.
- Smooth and reliable shifting due to Hyperglide technology.
- Increased durability and corrosion resistance with the nickel-plated finish.
- Compatible with a wide range of 8-speed HG drivetrains.
Cons
- Requires compatibility with 8-speed systems only.
- May require adjustments to the rear derailleur for optimal performance.
- Heavier than some higher-end cassette options.
Setup, Compatibility & Care
- Compatibility: Ensure this cassette is compatible with your 8-speed hub and chain. It is designed for HG (Hyperglide) chains.
- Installation: Use a cassette removal tool to remove the old cassette. Slide the new CS-HG400 cassette onto the freehub body. Tighten the lockring to the manufacturer's specified torque.
- Adjustment: After installation, adjust your rear derailleur to ensure smooth and accurate shifting across all gears.
- Care: Regularly clean the cassette with a degreaser and a brush to remove dirt and debris. Lubricate your chain after cleaning to maintain smooth shifting and prevent rust. Inspect the cassette periodically for wear and replace it when teeth become worn.