1 o'clock front, 11 o'clock rear. This way they're clear of the fork and stays, respectively, while also nicely positioned for easy application of the twist-on chuck I've been meaning to replace for literally years now. I'm also sure to give the finger to anyone who side-eyes me for doing it this way.
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A race bike in any era is a highly personal choice that at its "best" balances the requirements of fit, weight, handling, durability and cost tempered by the willingness to toss it and oneself down the pavement at considerable speed. ~Bandera