It really depends on what kind of riding you are doing. If going out on a club ride where the goal is to push myself for a duration from point to point, the cycling kit makes sense. If going out on a ride where it is a long century the cycling kit makes sense. If going on a ride where I'm stopping at stores or cafes and taking it rather easy, the cycling kit doesn't make much sense.
clomping around in cleats is a minor hassle, but cruising around stores and cafes in a full kit doesn't even phase me anymore.
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Two wheels good. Four wheels bad.