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Learn MoreDirt Tricks chain wear gauge is a very simple tool to determine if you chain has reached its wear limit and should be replaced. Dirt Tricks is asked all the time "How do I know when my chain is worn out?" The best way to check this is to measure it!
Put your bike in gear and roll it backwards so the top chain gets tight. Hook a roller with the hook end of the tool and drop the indicator tip down into the chain. If the closest roller touches the backside of the tool, its time for a new chain.
Product Variant | Manufacturer Part # |
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520 Pitch Dirt Tricks Chain Wear Gauge | DT-CWG |