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bluebikerider
It's all gone a bit wrong in the freewheel department on my 2 speed:
I noticed that it was skipping and this is why.
The larger cog is all wavy-in-and-out, one of the teeth was bent right over, and when I took a pair of pliers to it it snapped off with little effort.
Obviously I just put down too much power for the crappy cogs.
Brompton will sell replacements for a tenner, which says everything about their quality really. Can you buy better ones? are they standard? Could I put better gearing on it?
And what's that retaining ring - what tool do I need to get that off?