A worn chain shifts poorly and wears sprockets at an accelerated rate. The CC-3.2 is a go/no-go gauge designed to accurately indicate when a chain reaches .5% and .75% ''stretch,'' the points at which most chain manufacturers suggest replacement.
 
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Go/No-Go gauge
Idicates chain wear: .50% and .75%
Part #
16-004-0010
UPC
763477001344
Manufacturer #
CC-3.2
model
CC-3.2
type
Chain Checker