Park Tool Chain Checker - CC-3.2
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TisoPark Tool - Chain Wear Indicator - Size One Size - Black - One Size
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Product Information
Full details
This guide is for cyclists and mechanics who want to accurately measure chain wear and extend the life of their drivetrain components. The Park Tool Chain Checker (CC-3.2) provides a simple "go/no-go" measurement of chain stretch, preventing premature wear on your cassette and chainrings. Note that this tool is specifically designed for 9, 10, 11 and 12-speed chains.
All features
| Model Part Number | 320667 |
|---|---|
| Brand | Park Tool |
Extended Product Information
FAQs
What is the purpose of the Park Tool Chain Checker CC-3.2?
The CC-3.2 is used to accurately measure chain wear and determine when a chain needs to be replaced.
What chain types is the CC-3.2 compatible with?
The CC-3.2 is compatible with 9, 10, 11 and 12-speed chains.
How do I use the Park Tool Chain Checker?
Insert the appropriate end of the gauge (0.5% or 0.75%) into the chain. If the gauge fits, the chain should be replaced.
What does the 0.5% and 0.75% measurement indicate?
These percentages indicate the amount of chain stretch. Replacing the chain at these points prevents damage to other drivetrain components.
Why is it important to replace a worn chain?
A worn chain causes accelerated wear on sprockets and chainrings, leading to the need for more frequent and costly component replacements.
How should I clean the Park Tool Chain Checker?
Wipe the tool clean with a rag after each use. Avoid using harsh chemicals.
Where is the Park Tool Chain Checker made?
The Park Tool Chain Checker is made in the USA.
Troubleshooting
Gauge doesn't fit into the chain.
Ensure you are using the correct end of the gauge (0.5% or 0.75%) for your chain type. If the chain is new, the gauge will not fit.
Gauge fits, but chain is still shifting poorly.
While the gauge indicates chain wear, other drivetrain components may also be worn. Inspect the cassette and chainrings for wear.
Pros and Cons
Pros
- Accurately measures chain stretch.
- Prevents premature wear on drivetrain components.
- Easy to use with a simple "go/no-go" design.
- Durable construction ensures long-term use.
- Compatible with a wide range of chain types.
Cons
- Specific to 9, 10, 11 and 12-speed chains. Not compatible with other chain types.
- Requires some understanding of chain wear percentages for optimal use.
Setup, Compatibility & Care
Setup:
No setup is required. The Park Tool Chain Checker is ready to use out of the package.
Compatibility:
This tool is specifically designed for use with 9, 10, 11 and 12-speed chains.
Care:
- Wipe the tool clean after each use to remove any dirt or grease.
- Store the tool in a dry place to prevent corrosion.