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The crank on mongoose tamdem bicycle fell out of frame this weekend leaving us stranded. According to manual this problem is normal? And a special tool is required to repair? Where is this tool to be found, and why was it not included with this product?

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No, it is not normal. I would say you were riding with it loose and then just finally stripped. Now you have to take in for service and hope that the frame is not shot. Who set up the bike? Take it to them. It is kind of like not checking your car brakes and tire pressure before you take a trip.

Posted on Jan 03, 2011

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