Quote Originally Posted by Graham Breeze View Post
The current thing is a device whereby you lower the tyre pressure while riding on, say, cobbles and then raise it again for the smooth tarmac - all from a lever on your handlebars.
So how does that work Graham? How do you deflate a rotating bike wheel, and then pump it up again whilst still moving.

Checking my calendar carefully, it was April 2nd when you posted that