I am in Dundee mate.
Well that is your second question answered.What do i eat while i am out = Cake.
I am in Dundee mate.
I find them superb on the climbs when off the seat.
If, like me, you spend 99.99% of your cycling time riding seated, they are going to make absolutely no difference whatsoever. The other 0.01% of the time I am standing to keep my weight off the saddle whilst going over a bump and not pedalling anyway.