• You should offer up a DiaCompe BRS200 to the space, it might clear the chainring.

    Might give that it a go - I've got a set of chorus calipers (dual pivot at the front / single at the back) which looks similar to that, and that doesn't fit.

    Not really urgent anyway at the minute as I'm running it fixed, but it's been niggling at me.

    Thanks again

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