Plastic caps as alternate to water bottle cage bolts.
I'm not sure the subject line fully explains what I'm looking for so let me try and explain a little better.
My Trek FX originally came with little black plastic caps that covered the bolt holes where you would attach a rear rack. I'm looking for a replacement or alternate for these caps. Another use would be to use them instead of using the the standard water bottle cage bolts when no cage is attached. They don't have to screw in, just press-in.