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Bosch won't accept a 3rd party battery because of electric design, regardless of whether it is internal of external. Internal battery is (often) a proprietary form-factor, not just a proprietary electric design, this makes using 3-rd party difficult even when electronics is as restrictive as in...

You're right that troubleshooting the controller or motor requires specific knowledge. But replacing them is easy. With ebike under $1,000 on Alibaba (or under $1,800 in North American market) you are taking chances if there is no support from manufacturer and you can't troubleshoot e-parts...

It's not lack of experience to blame. Stupid won't listen beforehand and will learn slow from their own mistakes too. Ebike (ATV, car, whatever) can take you farther but it can also take you home from farther away or faster than your own pair of legs. But, like somebody said - can't fix...

I think the OP asked about "internal" battery, i.e. hidden in the downtube. I would expect some difficulties finding a 3rd party replacement for such a battery, especially with new and/or lesser brands. OTH, external batteries - i.e. frame mounted - are relatively easy to find. Except for...

I think "pedal assisted" is not a part of ebike classes description. Class 1- PAS only, max 20 mph Class 2 - has a throttle, max 20 mph. There is no requirement for Class 2 to have PAS - only to have pedals - and some "real" Class 2 don't have PAS. One might may call such a throttle-only ebike...

To put it in a context, Wing bikes start from $1,300. A bargain would be what - $800?... Comparing this to any "expensive" bike is apples to oranges. About the store looks - I don't think this tells much about the company reputation, other than the low-tier product they sell. They are...

There are way too many Chinese imports too keep a track of them all. Step into a shop next door or click on another site and you'll see a bunch of different "brands" that only the seller heard about. But, when I looked at it, my first thought was - What an odd frame :). No offense...

The challenge will be connecting it on the other end, at the original battery. That is, if he intends using the new one as a spare.

You might have to make a custom extension cable, with a connector for a "new" battery on one end, while the other end would be connected to the frame-mounted terminal of Aventon battery. Preferably, with the means of disconnecting it on both ends.

If you solder the correct connectors on this new battery, I don't see why not. Any battery will do if the voltage is matching and the capacity is not too low (low capacity usually means that battery won't tolerate high current well).

There is plenty of evidence that moderate activity during chemo actually improves the outcome. Getting blood moving helps spreading the drug better. The key word is "moderate". The talk test: - if you can comfortably talk, but not sing, you're doing moderate intensity activity. Total amount...

Link, please.

Adjustable solar charge controller that can do variable voltage in 30-60V range is same good as Satiator. I don't need a stupid display with charging diagram, - only the voltage. Most solar controllers work in nominal 12 or 24 or 48V, nothing in between and nothing higher than 48, so I would...

No. Don't even wipe or wash the dust off the frame more often than once a week, only keep chain clean. I don't care how it looks, only - how it works.

Other than 80-90% limit there is only one other benefit of the Satiator that I can think of - programmable charging rate. Not to charge it faster than manufacturer recommends - this is generally a bad idea - but a sort of an opposite, when charging starts with very low current and gradually...

What you have found is a rack-mounted battery. See the 2nd picture in your post. Not what Level has.

Yep. No such thing as puncture-proof. Adding Tannus Armor inside is as close as it gets to puncture-proof. I heard reports about people able to limp back home on the Tannus alone, without air. With a light rider I could believe this. Unless they give a fair refund for those OEM Kenda tires...

I'm not sure that RAD are branding Bafang hubs with their own name. For a heavy rider I would prefer a 750W "nominal" geared rather than 750W "nominal" DD. Especially when terrain is not perfectly flat.

I recall 750W Bafang motor test results where they measured only 43 Nm. So, in the end there might not be much difference.

I think the only easy way is to use a Walk mode, it doesn't require 1/4 pedal revolution. From this mode you start moving the pedals and then open the throttle. Not convenient since you have to hold the button for 3 seconds to activate the walk mode. It's probably easier to just put all your...