On Sat, 1 Jun 2013 23:13:12 +0000 (UTC), Zebee Johnstone wrote:

This wedgie business is complicated!

ON the 'bent there's this nice big supportive chair and you relax into
it and ride.

On the Brompton there's much more faffing about.

The original saddle was mostly OK. Best when furthest back but I
still had to be in just the right position for it to be comfortable.
Some days it just wasn't.

You could always do this:-

http://www.instructables.com/id/SERI...E-BIKE-SADDLE/