Is it easier to lock up the rear wheel with a smaller front drive chainring (42t or less) paired with a larger rear cog (18t+)?

Currently I'm riding 48t with 16t at the rear,
I'm unsure how it would compare if I changed my setup...

As always thanks for your help in advance!


[edit]16th June 2009, I've noticed that the Guardian have linked here... how weird. It's not the best starting point, you should probably hit the home page and see what takes your interest http://www.londonfgss.com/ [/edit]