Google "Mongoose serial number" or "Mongoose IBOC" and do your own research. As for value, check ebay for sold listing or craigslist for what people are asking for the same type of bike. It's worth what someone will pay for it, which varies widely.
I’m happy to help further over the phone at https://www.6ya.com/expert/donald_f2ed37026a3ac881
Answers & Comments
Google "Mongoose serial number" or "Mongoose IBOC" and do your own research. As for value, check ebay for sold listing or craigslist for what people are asking for the same type of bike. It's worth what someone will pay for it, which varies widely.
I’m happy to help further over the phone at https://www.6ya.com/expert/donald_f2ed37026a3ac881