So, like many things, turns out I had to ride the bike a bit to see if the tight tolerances on my brake job were working. Old TT brakes with poor adjustability and modern wide rims are not the best of friends.
I discovered that the rear was rubbing quite a bit after my 30' z4 interval on Fiesta Island. My speed wasn't awful but it did sort of feel like I should have been a bit quicker given the lack of wind. Looks like it's gonna go back in the stand at some point over the weekend.
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"Your beauty is an aeroplane;
so high, my heart cannot bear the strain." -A.C. Jobim, Triste