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  • Will I suffer stupidly in the Alps on 52/36 11x28? This is with the 5800 group. I'd buy a new cassette but annoyingly I have a short cage mech so would need another one of them too.

    I'm fairly fit but by no means an animal. I have found myself on 36/28 on the steeper Surrey climbs, for example. I've been told that I'll be fine, but the fact that it was 43 degrees on the Alpe during the Marmotte is making me nervous...

  • Depends how much you prefer grinding to spinning. I did a hefty tour on 53x39 12-28 and was pushing 40rpm a bit, but mainly to avoid heatstroke as it was 40 deg at times.

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