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  1. A

    Pros/Cons of a 44t/22t vs 32t/16t on a mid drive?

    So I've been wrapping my brain around this but there are so many factors that I wanted to see if I'm correct: Affected Areas: - Motor RPMs - Cadence - Top Speed - Climbing Ability/ratio - Motor Efficiency - Motor Power Draw - # of teeth engagement - Wear/Maintenance So I built a 29er SS...
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    Can anybody identify this type of plug (Higo?) and where I can find it? Also, am I missing something from this kit?

    I'll have a picture of the full kit when I get home but I ordered an open box kit on ebay. Lo and behold, it has everything except the "battery" cable. The kit is terminated by Higo? connectors. Controller current connections-> - (2) brake levers - PAS - Motor - Display - Throttle So I can...
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    I still don't know wtf happened... *noob failures/tale

    So I really should have planned ahead as my build slowly got less and less ambitious, but I thought my first real posts would be showing off my build but I don't even know what happened on my first test ride. A little background, I do work in a shop and I've probably built over 30-40+ bikes...
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    Why haven't the Vivax (Cheating tech) been cloned? Patents?

    I know this might sound dumb but I'm curious why nobody, including the Chinese, have tried creating a Vivax clone or copy yet? I mean, if we're talking about a technology that is lightweight- race proven- stealthy- very low/centered weight- can use the entire drivetrain... I can only think...
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    How many 18650 batteries would fit around a 26650 battery?

    I'm wondering if somebody that maybe has both a 26650 battery and some 18650 batteries and how many 18650 would surround 1 26650 battery? I have this idea of a copper plate fitting the shape with soldered Beryllium springs...
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    Why can't I just bolt on an electric scooter swingarm?

    Alright, stupid idea time! I'm just curious with products like the Ridekick and with the abundance of Electric scooters with dead batteries, I've seen tons of 48v-72v scooters for less than $300. Which begs the question, can I just take the hubmotor/rear swingarm off the scooter and have it...
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    Why is 48V battery charge voltage all different? Noob time

    I'm surprised nobody has started a thread with quality/cheap -non/diy- chargers as we've done the same with controllers and what not and showing the insides etc... But I'm trying to understand why 48V chargers ranges from output voltages of 48V all the way up to some hardcore/high end ones of...
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    Solar Charger Controller as an alt. to the Cycle Satiator?

    So in my quest of cheapness, I already ordered a few of those Meanwell chargers from the other thread as a means of slow charging my 48v packs. However, I recently discovered this device: MPT-7210A MPPT Solar Charge Controller For about $35 it looks like it takes in any voltage above 12V and...
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    Can a ping 48v15ah do two motors? And fullriver packs?

    So I ended up with a Ping 48V 15ah battery pack. I currently have one of those ebay 1000w front kits. *Currently works great except the BB5s are too tall for the motor casing. I have coming a ebikekit.com 350W rear geared motor kits. I've done a ton of reading on 2wd, batteries...
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    This guy looks like he has a bunch of decent pouch cells

    Saw this, not a Battery expert but I'm guessing some of you might be looking for these: http://www.ebay.com/sch/barbjb/m.html?item=232178012267&hash=item360ee3506b%3Ag%3Ae50AAOSw6DtYVdVf&vxp=mtr&rt=nc&_trksid=p2047675.l2562
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    A top tube battery box? Just saw this interesting CL post.

    I have seen people asking for something similar but I've only seen top tube bags, etc.... but check this guy out! Here's his full CL posting: http://bakersfield.craigslist.org/bik/5918961596.html But I just thought that was a very interesting battery box and I don't think I've seen one like it...
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    So I've seen this new friction drive on CL a few times now

    Looks like they're in Minneapolis and for $190, isn't that terrible if it works and is a turnkey. *I have no experience or relation to them. http://sandiego.craigslist.org/csd/bdp/5925374442.html
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    Quick Noob Question in regards these li-on packs?

    Why can't I just buy 6 of these to make a cheap 50V battery? I also figured if I just use 4mm plugs, I could wire them like how lipo packs are made and even distribute the weight better too. But I figured it might be due to the lack of BMS?
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    Should I buy a 135mm front fork? (Correct me if I'm wrong)

    Man... I've been lurking here for so long... at last, I'm about to get my front hub kit but I wanted to know what's the smarter idea. I came to the conclusion (based on my reading) that dropout width is a limitation to power and because of this it's harder to get a good front hub without...
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    Is this a viable idea? Disc Brake driven bike?

    I've been a long time lurker and an avid cyclist, manage a small bike shop actually. I'm a recumbent rider, and have ridden quite a few hub motor bikes, they're great but feel a bit weight sluggish. (Thank god Lithium batteries were invented) I recently came across this...
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