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    Qulbix q76r vs EEB Enduro vs GT Aggressor detailed build

    No worries. Thank you for the reply and hope all is well on the health front! I ended up picking up a 76 frame, lightning rods motor, bac controller and some other parts then paused for a bit as I was spending too much. Lol Just put an order in for the battery though so things should start...
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    The Cycle Satiator, universal charger for the enthusiasts

    Hey guys anyone have any info on using this as a sub 32 volt power supply? Basically I'm putting together a pack but I want to test each cell first so I the packs I put in series will have the same voltage. I've been advised to use an iCharger X8 to test cell capacity. My welder also needs...
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    Qulbix Q76R Frame Kits & Complete Bikes PRE-ORDER

    Others have already chimed in with real world numbers so I won't bother guessing. Third party controllers won't limit speed unless you tell them to. Legally... ummm yeah. Anyways, speed depends on the motor size and winding. The more common motors for these are the QS205 (~25lbs but strong)...
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    The BEST and FIRST Qulbix Raptor mid-drive build!

    Thanks for the lengthy response! So moto rims it is! I'll have to see if I can squeeze in 21" wheels on the Qulbix frame; I have a feeling I'll have to stick with 19". I overlooked that 8 pitch belt !== 8 pitch chain; that does make things a bit more complex. Interested in picking up a...
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    vendor icgogogo ic-gogogo "IC GOGOGO"

    +1 Sophia was responsive but actually advised me to avoid this particular board (didn't say why) and pick up one of their other active balancers instead (the super capacitor or capacitor ones)
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    Axiom: a 100kW+ motor controller

    Congrats! Looks like a killer controller. Looking forward to seeing mass delivery/adoption and general improvements. :)
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    The BEST and FIRST Qulbix Raptor mid-drive build!

    I've been falling into the brainstorming rabbit for a 'better' mid drive... 1. Wheels What is everyone using for wheels with this kit? Lightweight motorcycle or downhill bicycle? Shinko? Schwalbe (wonder if this bike fits 28" wheels for 2.15" Marathon E-Plus)? Other? 2. Comparison I've...
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    High Amperage BMS suggestions

    I'm putting together a new build in a Q76 frame with a highish amperage battery. Ideally the battery will be 21s 17p 25R cells (340amp max dissipation) with a bms that is under 76mm wide and can be attached to the frame for heat dissipation if necessary. The controller is a BAC4000 which will...
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    The BEST and FIRST Qulbix Raptor mid-drive build!

    Sounds interesting! Any updates you ever circle back around to this project? Putting together a new Qulbix 140 build this fall. I've got a BAC4000 on order (if they ever ship it) and I'm planning on building the battery to match the controller throughput. I want to make sure I pick a motor...
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    Qulbix Q76R Frame Kits & Complete Bikes PRE-ORDER

    Thanks for the feedback! Where the bolts were got bent open. He said it was the first ride so I’m guessing it was poor installation (forgot the bolts or something). I just figured I should double check that 10-20kw was reasonable because that is a lot of torque concentrated at one point on a...
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    Qulbix Q76R Frame Kits & Complete Bikes PRE-ORDER

    Considering building up this bike. Has anyone had issues with chain slap? https://www.youtube.com/watch?v=E_64s2XZEXg What is the most power one could safely run though this bike/swing arm? I saw a busted dropout where the wheel is bolted on a bike running at 12kw but i'm wondering if...
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    MXUS coming out with a 5K-Turbo motor, 55mm Magnets

    Any thoughts on this motor? I've read through this thread but there seems to be a lot of back and fourth. It doesn't seem too popular around the forums and I still don't see it on the ebike.ca site or sold by many/any of the mxus dealers. However, on paper it sounds better than the QS205...
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    Qulbix 76R build

    How are you liking this bike? Thinking about building something similar but with a bit more power. Is the chain play on the Qulbix annoying? https://www.youtube.com/watch?v=E_64s2XZEXg Did you go for the overdrive kit?
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    Qulbix Q140MD - any experience?

    @engate - Sounds like your pretty frustrated with this bike, but in general whats your thought on the Qulbix vs Vector frames? I'm primarily deciding between a Qulbix 76 and Vector Typhoon (and their respective mid drives but they cost too much and might get me in trouble). In particular: 1...
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    Qulbix q76r vs EEB Enduro vs GT Aggressor detailed build

    Awesome information! Thank you for sharing this! I’d love to know more about how you feel the two frames compare when you have a moment. :)
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    Mid drive using hub motor

    That seems like a sweet setup! Pretty close to what I envisioned for a high speed commuter build (been eyeing the vector vortex and Qulbix 140md). I to am curious about this swing arm and why higher currents would be “a waste”.
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    High Speed Commuter Suggestions

    Currently I have a beat up mountain bike running a 9c motor at 48v 40amp. It was garaged for 6 or so due to battery damage. Recently I picked up an old stock AllCell battery to bring it back to life. Unfortunately, the battery is way weaker than the 52v it had prior and after 16 rides...
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    New battery advice

    I'm seeking a high performance utilitarian (and ideally secure) ebike. I had a 48v (52v charge) 40amp ebike. It's an circa 2006 trek with front suspension and cable/rib brakes. It has a cycle analyst, nice continent standard hub motor, and a gen 2 grinfineon infineon 40a controller. My...
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    Battery Repair/Rebuild

    Hey, last fall my battery died. I believe there are a few bad cells. It's a triangular A123 battery glued and soldered together by CellMan. Great pack while it worked, but something obviously happened. Basically it charges to full capacity, but then drops by about 8 volts and looses a...
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    A2B vs Custom Build

    Sorry, I got overexcited and spilled my thoughts without first doing research. Is that sticker rule only in Canada, or the US too? If not, does anyone know how they determine if your e-bike is legal? I was planning on riding carefully (especially in heavily policed areas) and carrying the US...
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    A2B vs Custom Build

    I know. :( On the plus side I now have $1,075 to put toward a diy e-bike. :) What are my options for in frame batteries? The only prebuilt solution I have seen is the 36 volt LiFePO4 water bottle mounted tube battery at AmpedBikes. The rest of the packs seem to wide to fit in frame. I...
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    A2B vs Custom Build

    Unfortunately he sold his A2Bs to a another dealer, who wants 2,400 for them. :( Fortunately I was able to pick up a Trek Navigator 200 in perfect condition for $125 at a local bike swap. I now have two frames at my disposal for an e-bike conversion. The Trek Navigator 200 or a Trek 3900...
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    A2B vs Custom Build

    Thanks everyone! I'm going to go look at the A2B this weekend. :)
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    A2B vs Custom Build

    Hello everyone, I'm new here and looking into e-bike options. I have narrowed myself down to 2 possibilities. The first is an A2B Metro. I have the chance to pick one up for $1,200 new, if i act soon. I like the build quality and look of the A2B, but i worry the speed (limited to 20mph)...
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