Ahh I think you have to use lasy loading to set the path to your page…
@IonicPage({
name: 'clothing_detail',
segment: 'cdetail/:_id'
})
Segment is the path and Parameter for the page.
This is a screenshot from my Server. The number in the Folder is the prerendert html with id as filename without Extension. Klick on the Image to see the files: Example link