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Rivian's TM-B electric bike

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188 points hasheddan | 1 comments | 22 Oct 25 18:00 UTC | HN request time: 0s | source
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legitster ◴[22 Oct 25 21:25 UTC] No.45675359[source]▶
So the interesting thing about this is the ... peddle-by-wire drivetrain? So unlike a normal e-bike, when its battery dies it turns into a stationary bike.

I love ebikes and generally like what Rivian does, but in a very competitive market it's hard to see the appeal of this.

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hbarka ◴[22 Oct 25 21:40 UTC] No.45675507[source]▶
If I may also peddle my opinion, this e-bike is a fresh innovation and it's easy to see how revolutionary it is. What very competitive market has regen, 180 newton-meter of torque, programmable power curve, shape-shifting? This e-bike is incredible. These days, who lets their iphone battery die?
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makeitdouble ◴[22 Oct 25 22:18 UTC] No.45675881[source]▶
A phone can get charged with random 5V outlets and you can walk around with a 200g battery to make it last two days.

The bike won't fit any of that until there's hot swappable batteries sold everywhere, and when it's dead you'll be pushing it back home.

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tempestn ◴[22 Oct 25 22:52 UTC] No.45676168{3}[source]▶
You could lean up against something and pedal to get a bit of charge back in the battery, then you just need to pedal it home like a regular dead e-bike, no?
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1. WD-42 ◴[22 Oct 25 23:07 UTC] No.45676295{4}[source]▶
I don't think the pedals are attached to the drivetrain. They look like they are literally just to charge the battery. So this bike is just dead when it's out of batteries? Unless I'm missing something.