One from the Museum of London:P6064930 by TJ Clarion, on FlickrAlthough it's a bit hard to see, as I was shooting in low light, the only thing moving fast enough to have motion blur in the photo is, of course,the bike
Seen on Twitter , a firefighters bike.
Today's National Library of Ireland flickr photo is rather splendid.On a bicycle made for three by National Library of Ireland on The Commons, on Flickr