The left VP-F80 folding pedal on my SD broke recently. 
Therefore, I bought a pair of MKS FD-7 folding pedals to replace both of them. 
I already have a pair of MKS FD-7 folding pedals in silver before I bought this pair in silver & black. However, I think the silver pair do not match with the colour scheme of the black front pulley and cranks, so they have been idle for a long time. I have tried to find a pair in full-black but I failed because the manufacture of of the full-black MKS FD-7 pedals has already stopped due to safty issue. 
http://www.mkspedal.com/fd-7kanren/fd7.htm
Here are the comparisons between a silver one and a silver & black one.
