I added the pads and seat post.... The rest is how I found it 5 or 6 years ago. It rides pretty well, but would benefit from fresh grease, etc.
If you were to actually put miles on it. It hung on my wall, I never really "rode it". The item "Vintage Old School 1978 Bmx Mongoose Motomag Survivor Tange dg webco cyc" is in sale since Wednesday, September 1, 2021. This item is in the category "Sporting Goods\Cycling\Vintage Cycling\Vintage Bicycle Parts".
The seller is "stark70.253" and is located in Auburn, Washington. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Mexico, New Zealand, Singapore, Switzerland, Norway, Saudi arabia, United arab emirates, Qatar, Kuwait, Croatia, Brazil, Colombia, Barbados, Bangladesh, Bermuda, Brunei darussalam, Bolivia, Ecuador, Egypt, French guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Cayman islands, Liechtenstein, Sri lanka, Luxembourg, Monaco, Macao, Martinique, Maldives, Nicaragua, Oman, Peru, Pakistan, Paraguay, Reunion, Viet nam, Uruguay.