How-to build a Tandem Bike to a Single Rider Conversion?

[MNSnowDaNyce1]

I'm fairly new to this Forum, & to the Kustom Bike Building Scene, but I really want to learn more about it, and one of my Kustom Bike Plans, that I heard of was on a Facebook Page or Group that I was on.
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A few different people made their Tandem Bicycle, which is for 2-Riders, & modified this Bike into a "Single Rider Conversion," this is kinda how I want to do to my Tandem Bike, I just dont really know how to go about, to building this?
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I was hoping someone can help me out on how I can do this to my Old Tandem Bike, & also if you know, what Parts & Tools do I need to make & get this done?

 

[SirJoey]

Welcome aboard! Just curious... why would you wanna convert a tandem to a single rider bike,
when regular bikes are pretty much a dime a dozen, so to speak? Or do you still wanna retain
the option of 2 riders also? Not sure I understand what you're going for here...
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[Popshot]

Ditto. Any tandem can be ridden by one person and almost all tandems are worth more than any cheap single bike. Either I'm not understanding your requirements or I am and am puzzling why!

 

[Radical Brad]

My guess is that he is making a stretch chopper...

Brad