A Quick, Easy Way to Check Chain Wear
Unior's Manual Chain Wear Indicator provides quality assurance with its Go/No-Go gauge. If the tool fits, it's a "Go"; and vice-versa. Insert the two ends of the tool into your chain and push down gently. If you can get the tool to drop over the chain on the 0.7%-1.2% side, the chain is worn and should be replaced.
Note: This has been updated and now features a black-oxide finish for better legibility.
B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.
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Q & A with home mechanic Tommy Tuite.