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  • Hmmm...

    I run a single up front with non of the above meaures and have had no problems at all.

    52x12-25, using the full range.

    1+

    ran 44x11-28 in London, no problem, making sure that the middle of the cassette lined up with the chainring helped massively.

    It's only with MTB that the chain will fall off.

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