In the end, the solution was ready at hand: I managed to sort out the trailer bike - used a piece of plastic packing from an old D-lock holder and with some hammering it went snuggly around my seatpost. I tightened it well and presto! the trailer bike was up and running.
And what for? To take part in the Manchester Skyride. I'm no fan of big media, but this was a good event - it certainly was perfect for the family. We all enjoyed the city being turned over to us - roads closed, cars made to wait at traffic lights by diligent stewards. We enjoyed doing a lap round the impresive velodrome, and having a picnic in the good weather (Rupert Murdoch's influence obviously is far-reaching. I liked the free high-viz vests - the way in which they created a sense of shared purpose among the many participants. I liked the oddballs - the relatively few whose rides were unusual - unicycles, Danish-style utility trikes, chopper cycles glittering in the sun, a modern version of the penny farthing, and a telescopic bicycle with a frame that puts the rider six feet above the ground.
