+1 on the Panaracer Pasela TourGuards. I commuted on them for 3 years. Only had 2 flats.
I started with 700x32 but changed to 700x28 after the first set wore out.
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The Lord is merciful and gracious, slow to anger and abounding in steadfast love. - Psalm 103:8
I am a cyclist. I am not the fastest or the fittest. But I will get to where I'm going with a smile on my face.