I have never seen any footboards on a Brick, but if you really want to go down that path. You should look at bikes that already have them, and see if it would be possible to modify them to fit. Keeping in mind that you should keep the fold up feature if they should touch down. Take pictures of your pegs with your phone, and then whenever you see a bike with boards take a picture and compare. See if the owner will let you take measurements. Anything is possible, it just depends on how much time money and effort you are willing to spend on it. Keep us posted.
Regards Martin.
