• IME, very! Things that work fine when just riding about don't always perform so well in races when you don't always have the time to hit the smoothest lines, make considered gear changes and are going a lot faster under pressure. You ask a lot more of your bike when racing.

  • no of course i am not suggesting that race condition aren't different to idle gravelling or solo training, even intensive.
    But, my question is : in the exact same race situation and with the same grx 2x11 derailleurs, is the grx 46x36 crankset going to retain the chain and the sram + whatever 46x36 rings drop it ?

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