I'm 46 and having been riding fixed for a few months. I love it and don't expect to go back to a geared bike any time soon.

I started feeling a few aches and pains in my knees, so I've just dropped the gearing to 42/19. So much fun! I can finally skid about like a 12 year old. And no more pain!

Here's my Wabi Lightning basking in the rays of our UK sunshine, what little is left of it...