Not too bad of a ride in at 55 F (13 C). On Friday, I walked out to a flat rear tire, so I figure since it took all day to get flat, maybe the hole was not too big. I pumped it up and made the whole just under 10 miles. I was expecting to have to pump it up every few miles. On Saturday, I took it apart, ran the tire and found a piece of wire, no bigger than a couple cm. I look out for broken glass, nails and screws, but there is no way to look out for a piece of wire that big. On the balance it has been 8 months since my last flat, so not too bad.