Model # 507478340 Official Sears 26" men's 12-speed cross trainer bicycle

Part #045064

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

Part #011112

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Part #103048

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Part #103017

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Part #049025

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Part #009123

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Part #103015

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Part #053011

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Part #045510

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Part #070016

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