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    Bbs02b after 10000km

    I had some issue at that spot and there is a rubber silicon o ring that had broke and it started to rub. Once I replaced it there was no more noise or issues
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    Battery Voltage and Motor choices

    As runforthehills said play a bit with the simulator to get an idea of what you want or need. Just keep in mind that ebike motors are usually run between 36volts and 72 volts. For the same motor if you use 72 volts it will go twice as fast as 36volt because the speed of the motor depends of the...
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    Lightweight build Q100 cst 201 at 14s

    Hi, I ended up selling the bike even if it was a lot of fun. I will be building a new single speed road bike that is legal in my country so that means 25kmh limit and PAS only
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    Need to lower standover height

    Hi, I don't seem to see why changing the the wheel size would change the problem since even if you change the wheel size the seat will stay at the same height compared to the top pedals since the distance between the seat and the pedals will stay the same. Your whole bike will be lower but the...
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    Bikee Bike motor build

    Normally the controller has a red and black cable for - and + The cable in the picture is the phase cable normaly like amberwolf said. Could you take a picture of where that cable comes from ? Good luck Leo
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    Fat Bike build 500W TSDZ2 Middle Motor

    You do not need the freewheel type 7sp and dpn extractor tool since you use a cassette that you can buy at decathlon. It's very easy to put a 26 inch wheel at the place of the 27.5 but then the front of the bike will be higher and you will have slightly less clearance with your pedals just so...
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    Fat Bike build 500W TSDZ2 Middle Motor

    Hi, I think the hub option is much better suited to your situation. just go with the motor with cassette, it's much better. freewheel have a tendency to break. they finally have a cassette option, I think it would be a mistake to not take it. The dx32 rims are supposed to be bombproof so it...
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    Lightweight build Q100 cst 201 at 14s

    Hi guys, I know it has been a while. I haven't been riding much but here is what it looks like now. I have been hitting 40kmh when pedaling with a fresh battery :D I have changed the front chainring since that picture and replaced it by a 48 tooth since I was going faster then expected...
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    Possible to change freehub of Q128C?

    Why would you want to swap freehub? I don't think that is possible Don't you mean cassette? Leo
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    Q100H Performance with Grin/Infineon Controller Issue

    It's hard to describe but it's slightly growly in the beginning and at full speed it's very s high pitched but less loud and when you are riding it The bike makes more noise itself then the motor when at max speed on flat. I also so had to swap the phase wire not only the sensors. There is a...
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    Q100H Performance with Grin/Infineon Controller Issue

    Hi Kevin, I am running the infenion controller on a Q100 cst 201 at 52v and 15 amps. Fully charged I hit 22mph without pedaling with a 26 inch wheel. Either you didn't wire it properly, or you are not running enough amps. My controller colors were completely mixed up with my motor when I found...
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    Lightweight build Q100 cst 201 at 14s

    You have a good point there :D Well I am happy with my purchase and the garantie of em3ev if anything goes wrong but maybe next time I will go a different way. :wink:
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    axel width cute Q100 front hub and how to measure axle width

    The axle of the Q100 is a 12mm that has the sides cut to 10mm to not turn in the dropouts so it will fit in your fork
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    Lightweight build Q100 cst 201 at 14s

    I think it makes sense if you don't want any screen and since I run it at lower values I can hid it in a bag without any fear of overheating. Leo
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    Lightweight build Q100 cst 201 at 14s

    Hi guys, This is what the bike looks like at the moment. I just strapped the battery and the controller in the bag. I am loving it :D I am getting 36km/h without pedalling when the 14s battery is fully charged and I get 40km/h when pedalling. It climbs well it I come up the Hill with some...
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    KMX, could climb... or not

    Il dit que la vitesse en monter sera sûrement trop rapide pour des chemins de montagne avec un trike In English : he is saying that it would go up the hill to fast for a trike on a mountain trail. Leo
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    Lightweight build Q100 cst 201 at 14s

    I'll do a quick ride tonight and a few pics if it isn't raining. I am in the exam session for the next weeks so I won't have much time to finish the build properly. The quick ride I did the other day went perfectly well. I still have to solder everything definitively but it seems to work perfectly.
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    Lightweight build Q100 cst 201 at 14s

    Like motomech just said I left it unplugged since it is the speed sensor. What controller are you using? You have a link? Leo
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    Kickbike Electric Scooter Build

    I love the infrared sensor, great job
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    Lightweight build Q100 cst 201 at 14s

    Thanks for links but I was thinking smaller like this one since the battery is 19,5x7,5x7 cm http://www.topeak.com/products/bags/mondopack Or this one http://m.bikester.fr/accessoires-velos/sac-velo/autres-sacs/311746.html I am leaning for the second one but it might be slightly to small ...
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    Fitting a BBS02/BBSHD to Trek Carbon Fibre Frame

    On the site of em3ev in the pictures it says 13mm for the bbshd Here is the link http://em3ev.com/store/index.php?route=product/product&path=36&product_id=215 Leo
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    Lightweight build Q100 cst 201 at 14s

    The thing is I am trying to be a stealthy as possible that's why I got a custom 50v 6ah battery. The battery is small enough to fit in some saddle bags. I am trying to find the smallest bag that could work so that it doesn't look like a battery pack :D I will leave some extra wire but...
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    Lightweight build Q100 cst 201 at 14s

    The first color is motor side and second side is controller side. I haven't finished the build at all I just connected the the wires with a quick electric connector to see what the combo was. I am going to solder the cables since the connectors weren't the same and it takes more space. I ll...
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    Lightweight build Q100 cst 201 at 14s

    Hi scooterman, That's the controller I took. I asked them to reprogram it at 15 amps so not to overheat and I am running it with a 14s battery. I'll upload a picture when I can this week of the connectors :wink: I ended up with a quite a crazy combo because I wasn't sure what a good combo...
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    Lightweight build Q100 cst 201 at 14s

    Hi guys, quick update: It's alive :D the last few weeks I haven't time to continue my build but this week every evening I have been slowly building: I laced the wheel. Fist time for me and it went pretty smoothly expect that I had to restart a few times. I am quite happy of the result :) I...
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