• Anyone got a smallish lock ring tool they can bring along? Fitting a new chain last night made me realise just how worn my cog was, so I've picked up a new one to fit when I get home and am a little bit worried about slippy new cog slippy slip. I'm a bit reluctant to carry my huge chain whip around for the whole ride just in case it doesn't sit right first time... Will happily carry yours if it saves me carrying my anchor.

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