Yeah, strip it down and clean and grease everything, my secondhand ones had a bit of this, a few mm ain't the end of the world but you should have them retracting as much as possible.
@snottyotter started
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Yeah, strip it down and clean and grease everything, my secondhand ones had a bit of this, a few mm ain't the end of the world but you should have them retracting as much as possible.