As soon as I saw this, I knew it would be cool to post it. I don’t know if this sidecar can easily attach to any other available ebike frame, but it exists right now, and it can be found at the website for Mod-Bikes.com
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Features
As of October 2024, the listed price is around $4300 for both the ebike and sidecar, and their website claims it will be available in November of 2024. Right now, the color selections for the sidecar are black and Army green. It appears as though all models have dual disc brakes, which I like.
For that price, you get an ebike with a 750W rear geared hubmotor from Bafang. The top-speed is 28-MPH, which we approve of, since the side-streets ebikes are allowed to ride on are also populated by 3,000-lb cars that have a 25-MPH speed limit.