tried to order a 56 tooth sprocket and adapter screen went white upon clicking order. i emailed him and he said im all out. will take a week or so. i emailed back can u please email me when u have one ready to ship, NO REPLY. sent another email can u blah blah same thing , NO REPLY. is this guy selling adapters or WHAT. good grief why make this so difficult to buy a sprocket adapter and sprocket for crying out loud. anyone know of a different maker. ?? been 3 weeks pats not around. !!