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Comment by hectormalot | Hacker News Reader

I see these around the city: https://www.estrima.com/en/models/biro-winter/

approximately 360kg, so def not as light as a bike, but not incredibly heavy either. 100km range.

Something like this, but regulated as a bike for the US would be great for me! I'm legally blind so I can't drive a full size vehicle—I'll likely get an ebike soon so I can have greater mobility than walking or bus allows. However, I live in a rainy area so having something covered and which I could use to transport my daughter would be ideal. I've found one vendor in the area that sells an ebike, but they lack a lot of convenience and safety features. The covered options I've seen don't have lockable storage so you can't leave any valuables inside without risk of theft.

Something like this pulling a bike trailer for your daughter is very close: https://www.motrike.com/product-item/city-commuting-recumben...

EDIT: this is even closer: https://www.better.bike/models

Too heavy to allow driving in the bike lane, IMHO. Needs to be a weight, speed, and footprint limit. But the number of wheels shouldn’t matter, regulation-wise.

So something like an electric recumbent e-bike, with four wheels.

Closest thing I could find was " City Commuting Recumbent Quad " , 2nd from the bottom of this page: https://www.trikexplor.com/pages/trikexplor-recumbent-quad

I still think they are a bit big but with smaller diameter wheels, removal of pedals for full electric kart experience (but otherwise speed limited as per usual e-bike) maaaybe they could be made small enough and lightweight enough to play with.

Yes, this seems to do it! Kind of needs more enclosure, but it’s only 50kg and seems to meet the other requirements. Work bikes can be up to 150kg (not counting rider/payload) which sounds like a good upper limit on empty weight, so something like this should be doable, even able to add a small extra seat and be fully enclosed (with heated seats?).

https://www.motrike.com/product-item/city-commuting-recumben...

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