I disc break converted my Se Big flyer

Shimano R160P/S Disc Brake Adaptor https://www.amazon.com/dp/B0014GJGJA?... BBR Tuning Billet Aluminium Rear... https://www.amazon.com/dp/B00VSH3R5O?... 2 Pcs Bike Bicycle Freewheel... https://www.amazon.com/dp/B0D2JCMBHM?...