Thread: Old Mongoose ALTA question..
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Old 05-14-23 | 05:18 AM
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Pompiere
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From: NW Ohio

Bikes: 1984 Miyata 310, 1986 Schwinn Sierra, 1987 Ross Mt. Hood, 1988 Schwinn LeTour, 1988 Trek 400T, 1981 Fuji S12-1977 Univega Grand Rally, S LTD, 1973 Sears Free Spirit 531, 197? FW Evans

Nice find! Bio-pace points to it being late 1980s. There should be a date code on the back side of the cranks and derailleurs, which this page can help decode: https://vintage-trek.com/component_dates.htm
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