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Park Tool CC-4.2 Chain Checker Tool
A worn bicycle chain can cause poor shifting and expensive drivetrain damage. The Park Tool CC-4.2 Chain Checker is a drop-in gauge that measures chain wear accurately. It contacts the chain in three places eliminating guesswork. Compatible with 5 to 13-speed and single-speed chains it indicates wear at 0.5% 0.75% and 1.0% matching manufacturer replacement recommendations.Measures bicycle chain wear accurately preventing expensive drivetrain damage Laser-cut design contacts the chain at three points providing quick and precise wear measurement Compatible with 5 to 13-speed derailleur chains and single-speed chains Indicates chain wear at 0.5% 0.75% and 1.0% aligning with manufacturer recommendations for replacement
| Model | Chain Checker |
| CC | 4.2 |
| Description | Chain Wear Tool |
| Color | Blue/Silver |
A worn bicycle chain can cause poor shifting and expensive drivetrain damage. The Park Tool CC-4.2 Chain Checker is a drop-in gauge that measures chain wear accurately. It contacts the chain in three places eliminating guesswork. Compatible with 5 to 13-speed and single-speed chains it indicates wear at 0.5% 0.75% and 1.0% matching manufacturer replacement recommendations.Measures bicycle chain wear accurately preventing expensive drivetrain damage Laser-cut design contacts the chain at three points providing quick and precise wear measurement Compatible with 5 to 13-speed derailleur chains and single-speed chains Indicates chain wear at 0.5% 0.75% and 1.0% aligning with manufacturer recommendations for replacement
| Model | Chain Checker |
| CC | 4.2 |
| Description | Chain Wear Tool |
| Color | Blue/Silver |
$19.95
Park Tool CC-4.2 Chain Checker Tool—
$19.95
Description
A worn bicycle chain can cause poor shifting and expensive drivetrain damage. The Park Tool CC-4.2 Chain Checker is a drop-in gauge that measures chain wear accurately. It contacts the chain in three places eliminating guesswork. Compatible with 5 to 13-speed and single-speed chains it indicates wear at 0.5% 0.75% and 1.0% matching manufacturer replacement recommendations.Measures bicycle chain wear accurately preventing expensive drivetrain damage Laser-cut design contacts the chain at three points providing quick and precise wear measurement Compatible with 5 to 13-speed derailleur chains and single-speed chains Indicates chain wear at 0.5% 0.75% and 1.0% aligning with manufacturer recommendations for replacement
| Model | Chain Checker |
| CC | 4.2 |
| Description | Chain Wear Tool |
| Color | Blue/Silver |
