Model # 489451451 Official Sears 26" one-speed lightweight physiofit bicycle

Part #040021

The manufacturer no longer makes this part, and there's no substitute part

Part #009009

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Part #045011

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Part #090009

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Part #106005

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Part #076001

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Part #100011

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Part #051012

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Part #045519

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Part #041018

The manufacturer no longer makes this part, and there's no substitute part