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You will get the most amount of power out of an electric motor when a 36v battery is fully charged to between 41.4 - 42.5 depending on the voltage of the cells used.. As you use power you draw down the voltage and available power will decrease but not become real noticeable until the last 20% or...

While percentages seem to be the prevalent benchmark for battery performance here, Wh/mi is much more accurate and the equivalent of MPG to help determine range. It is arrived at by dividing total wh's used by the distance. In the OP's wife case: 500/30=16.66 wh/mi Pretty standard using assist...

I thought I saw awhile ago that they were about $800usd. They are serviceable if you can find a service center or someone that is trained to do so. Ultimately you'll probably have to deal with Specialized to at least get their input.

I guess jealous would be too weak a word for how I feel about your geographical situation. I live a block and a half from the ocean but it is blowing 20kts with some sideways rain happening. Nice bike too, enjoy!

That's awesome Tori! Happy New Year and the pack is working GREAT! Thanks again:)

Look up threads by @Tori. She came up with a good way last year. BTW, what happened to that gal? She was an awesome resource.

Look at the base of the valve, if there is a gasket there it is set up tubeless, if not it is tubed.

To me it has turned into a form following fashion statement. The demand for "stealth" and adherence to conventional looking frames, no matter how bulbous the dt, is the driving force towards the semi and integrated batteries. Biggest issues I see with this other than mentioned are the fact that...

Thanks for the shout @R120 but I don't think I can be of much help here. Converting heavy old DH bikes with heavy motors like the BBSHD and the heavy battery that it would take to haul everything around for 50k is out of my scope of experience. I would suggest the Endless Sphere forum for you...

As you say but don't be surprised if the cells aren't the Panasonic 2170's, same as they are making at the GigaFactory for Tesla. By the size of the dt I would say 700wh at least. Edit: The Flyer Uproc7 has the GXO motor and a 640wh battery so the above might be a bit generous. The word is...

It's already available but you need a direct drive hub in order to get regen. I have it on my front hub road bikes and it works great as a braking supplement primarily. It does add a little back to the battery but will never add as much as it will in a car system due to vehicle weight being a...

Looks like it might be more like 2020 here in the US. Copied from a US site and put out by Larry Pizzi President and Head of Sales for Accell Group North America: "Attached is an update on the availability of the new Haibike FLYON Series, in the form of a brief frequently asked questions FAQ...

The ride is one thing but I am also in it for the views. A nice scalped hillside helps...

Not exactly new as it has been in the news for a few years now. Just not a popular OEM option as of yet. I like the 48v aspect and the internal gear box could be good for commuter type bikes with a belt drive but suspicious if it would stand up to the rigors of mtbing.

Seems like the biggest problem are the bb bearings wearing out and there is a guy online that has video's and parts to solve that issue for the home mechanic. Electrical issues generally are tracked to something relatively simple up to a new control board and quite frankly are out of the...

I saw that they are going to require electric cars in the EU to make a "noise". So maybe a little motor noise will keep eBikes from the same fate. The problem is that if you have ridden a silent eBike, in any mode, you notice the difference immediately. Stealth at this point is a big...

Thanks Kiwi, I was mis-reading the other post apparently, first time that has ever happened:unsure::)

14x4 is 56 cells for the 52v/15ah/780 watt battery, not sure where the 91 cell you mention is arrived at? I think as time goes on you will find that there are going to be quite a few people figuring out just what wh battery works best for their needs. I have been using 520wh 52v batteries for...

Far from it, research Hanford Nuclear.....

Being US based my primary interest is in the 48-52v battery. Not that they don't apply elsewhere they are more popular here due to our more generous watt allowance of 750w. I made this up earlier this summer while starting research into a 2170 battery design that would retrofit to the largest...