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It's the little things that count.

The Park Tool Chain Checker resolves unanswered questions about the life left in your chain. Broken chains suck, and worn chains don't shift well, so give your a check-up with the Park Tool Chain Checker.

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Park Tool Chain Checker - CC-2

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Here's what others have to say...

5 5

Must own

  • Familiarity: I've put it through the wringer

way cheaper than guessing. We use this tool in here in the Retail Bike Shop in salt lake city.

5 5

easy to use

  • Familiarity: I've used it several times

perfect for your own mantaince of the bike, absolutely necessary

5 5

Cheaper than a new cassette

If you've ever made the mistake of running your chain too long, and needing to replace your cassette as a result, then spending less than $30 on a chain checker is money well spent. Just need to remember to check your your chain regularly.

4 5


Checked a new chain against an old one with this.
Dead on accurate. A bit OCD to own but worth it.