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Having less / wider gears does not affect the balance of your effort versus the bike power at all. On a torque based sensor pedal assist you decide how much power you use by choosing the proper assist level. The larger gear range on an IGH with less gears will only mean you will pedal at a less...

I am confused / not sure about that Typically my understanding is that Torque is driven by phase amps, and speed by phase voltage...

I found that to be a non-issue on an ebike, where the pedal assist makes the comfortable pedaling range on any given gear way larger. I have a Kindernay VII with 7 gears across 428% range, and it is no problem at all. I actually prefer it with less / wider gears on an ebike, so you don't have to...

The higher the handlebar, the more upright position, the less pressure on the wrists, the more pressure on the back/spine... Each has to pick his poison :)

Do you know that for a fact ? :) I am pretty sure that if the motor died, it would be repaired by just changing that part.

On a pinion MGU or a Valeo, integration just means they are sold as one unit. but physically it is one electric motor and one gear box side by side.

An ebike does not need gear for the motor if the motor is powerfull enough. I have a high power ebike, and is can go from zero 40mph on a single gear with full torque all along the way. Most e motorcycle have no gears. The main use for gears on an ebike is to help maintain a comfortable...

The Bitrix may be a bit smaller frame and better step thru height than the Frey. You may also be able to retrofit a Rohloff like Zen did on prototype using the same frame for @Gionnirocket

The optibike is a beautiful bike, no question, and unless you are really needing the range, you can take it with the standard battery (lighter and "cheaper"). The only drawback is that last time I checked, they do not have a torque based pedal assist, so mostly a throttle bike....

There is a (long) step thru thread you may want to read. I posted a few times following reviews of the FS models with geared hubs and belt, as this is the bike I am looking for for my wife too. Unfortunately many (not all) are in Europe only Step-Thru | Page 41 | Electric Bike Forums...

You need a bike with a 1000Wh battery........ Or carry a spare battery in your backpack, assuming the bike has a removable battery and you can buy a spare If this is the bike you are referring to...

This a torque based pedal assist system, so the level should mainly be higher multiplier of your effort. That said, when you ask for a higher multiplier of your effort, you are able to generate more power and therefore go faster.

I don't believe any (or very few) ebike or car batteries are LFP. LFP has a lower energy density, so you would lose significant capacity in the restricted space available on an ebike...

Evelo fitted bikes with a Bafang ultra and Enviolo hubs for years, so I would not be too worried.

Congratulations on what is without a doubt a great accomplishment. Enjoy this next phase of your life

Of course the one million dollar question, is how long will THEY stay in business....

I was very excited at the prospect of getting a digital camera mirror when we bought our Bolt, but after trying it, I had to give up. I don't know if it is an age thing, but the focal distance change taking place when going from looking at the road to looking at the mirror gave me a headache. I...

Doing the bleed procedure would be the first thing to do in case there is some air in the system.

Below is the link to the cad drawing and step models of the part I made for my kindernay customization. The ones call SPACER have the geometry you need, but the width would have to be reduced to match your setup Models

The cap is only there to create the appropriate spacing and centering inside the wheel. It has different sizes depending on the width of your swing arm (148, 142, 135...) In an emergency, you can just add washers to fill the gap on that side.