Yes, 5000 miles is a long time to leave a chain. Do you have a chain wear indicator?
http://www.chainreactioncycles.com/x-tools-chain-wear-indicator/rp-prod10219?gs=1&gclid=COG9zofO68oCFVEo0wodEZMCQg&gclsrc=aw.ds
Since I got one of these I change my chain more often, and my cogs hardly ever.
@William. started
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Yes, 5000 miles is a long time to leave a chain. Do you have a chain wear indicator?
http://www.chainreactioncycles.com/x-tools-chain-wear-indicator/rp-prod10219?gs=1&gclid=COG9zofO68oCFVEo0wodEZMCQg&gclsrc=aw.ds
Since I got one of these I change my chain more often, and my cogs hardly ever.