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Thanks, didn't consider this.

How much was the frame+postage and where did you get it?

Interesting frame+battery+motor set could be nice for that price if the postage isn't sky high. Seems like there are only high end options and now mid tier ones.

FS is not a must, I'm ok with hardtail also. Just looking for another options, I'm ok even with alloy frames.

Are there any options for quite expensive Dengfu $1000 frame? I'm trying to build something with 2300 dollar budget and 1000 dollars on frame is too much. Something like 300-500 dollars would be better. https://www.dengfubike.com/collections/carbon-bike-frame/e-bike

Shimano released new 5 speed automatic shifting igh for ebikes.

With your generic quality cells you can expect at least 500 0-100% charges. If you charge only to 80% and deplete to 20% you can expect over 1000 charges out of those cells. With so high mileages it's more to do how you manage your batteries(not depleting to 0% and not charging to 100%).

Yes and yet again that is due the cells Bosch are using, Bosch doesn't manufacture the cells themselves. Everyone else has the same access to to the same Generic Samsung/LG/Panasonic cells!

The thing with Apple and Android is that you can use third party chargers, batteries and accessories with those.

You might want to try these: https://electricbike.com/forum/forum/builds/ebike-building-directions/43769-bbs02-on-2008-kona-hoss-and-initial-mountain-bike-program-settings?p=45204#post45204 When I was researching many trail riders were using Limitless and Kepler's settings on bbs02, they might...

Bosch doesn't make their own cells they just assemble the cells in to the battery pack. Everyone else who uses same cells get similar performance.

Yeah different tastes! I'll just dial PAS up if I need more assistance, I like that assistance is more continuous and not on/off type. Great thing in Bafang motors that you can program the way you want to have them. Although at some point I'd like to try mid drive with torque sensor.

I'd say Kepler's PAS settings are the best for most natural feeling cycling. Example on PAS 1 you can go as fast as you want and the motor helps you a little bit but doesn't cut off the power if you go over x mph. You can tune down the start current etc. but for the PAS speed limits at 100%...

Yeah I'm curious also what is this magic that Bosch batteries does that other batteries don't.

I've been using Kepler's from endless-sphere settings for bbs02. It sets max speeds to 100% on all pas levels and then the current goes up in increments of 10(1-10%, 2-20% etc.) With these settings cycling feels the most natural out of everything I've tested so far...

How much it would cost to build ebike around some cheaper aluminum hardtail frame? Or is it cheaper to buy all the parts frame included separately from alibaba?

Here is powertube teardown:

Bosch batteries aren't doing some hocus pocus magic that others can't do. They are the same lithium ion batteries than everyone else are using. Bosch doesn't manufacture cells themselves and their cells lasts as long as everyone else that uses similar brand cells. And if you look at this video...

Well maybe he sees it one day! I highly recommend to try Kepler's settings, they are even better if you are riding with someone.

I suggest you to put speed limit on 100% on all pas levels and then limit curren with 10% increments. Keplers settings here: https://electricbike-blog.com/2015/06/26/a-hackers-guide-to-programming-the-bbs02/ By far the most natural cycling feeling settings on bbs02.