I was going to ask why you wouldn't use the XC bike for CX.
Then I remembered that you have a frighteningly expensive rear derailleur.
XO 11 speed and ain't teh cheap, no.
But I've never busted a mech whilst crossing - lack of megawatts probably
I'm amazed, considering the amount of people who seem to crash into the back of you.
@Howard started
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I was going to ask why you wouldn't use the XC bike for CX.
Then I remembered that you have a frighteningly expensive rear derailleur.