Go to "Updates" and read "Fundamental Obstacles". Over $2m collected and the summary of the update written by ChatGPT and translated by Google is "We can't make what we promised." A 100mi range self-charging folding #ebike is pretty out there.
https://www.indiegogo.com/projects/rocket-bike-self-charging-100-mile-range-ebike/x/8603654#/
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Rocket Bike: Self-Charging, 100-Mile Range eBike

Ride without limits on a 100-mile range, all-terrain eBike with regenerative braking & folding frame | Check out 'Rocket Bike: Self-Charging, 100-Mile Range eBike' on Indiegogo.

Indiegogo
@eBikeChick Wow, every update looks.. fake, and has the same strange word choice and structure. At least every update since January 2021.
@eBikeChick They're also posted about every 29 days. Weird stuff!
@ascentale Ya, I remember first seeing the campaign and thinking, "More power to them if they can actually pull this off." I was pretty sure at the time they weren't going to, but it would have been cool if they had. At least they kept the backers regularly informed about how badly they were failing along the way. ๐Ÿ˜‰