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1981 520 MX-II 4130 frame down tube stickers, Vbars but cheapo slant control Coaster brake pedal Tuff Wheels. Only distinction from the 700 is the 1 piece cranks. 1981 600 MX-II 4130 framework down pipe stickers, Vbars Redline come.
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1980'h 1980 1981 700 MX-II 4130 frame down pipe decals, Vbars Redline control, Suntour VX metal 3 piece cranks. Used the Squareback front side finish the now familiar MX-II back finish on earlier models.ġ978-1979 Proline - 4130 framework and shell. By the 500-600 range somewhere begin the 1975's. A low number bicycle would be earlier 1974.
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By Yr/Model 1970's Redline Squareback First production bike was serial amount 100.
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