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gts753: Seat post chronology
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gts753: AA 484
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gts753: AA 485
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gts753: Early 70s Pantografata
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gts753: Pantografata non- drive side
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gts753: Pantografata drive side
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gts753: 77 #1
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gts753: 77 #2
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gts753: 70s group
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gts753: 80s Mexico
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gts753: 1982/83 CX Aero
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gts753: Mid to late 80s