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I bet they have something to do with the rivets for a replaceable sprocket nose....
Both of the numbers on the bags are bar/chain gauges. I'll go out on a limb here and say you could use them to peen the rivet on a replaceable sprocket nose. Different size ball for different size rivet. Some rivets have a concave end on them.
Both of the numbers on the bags are bar/chain gauges. I'll go out on a limb here and say you could use them to peen the rivet on a replaceable sprocket nose. Different size ball for different size rivet. Some rivets have a concave end on them.
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