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Ok sure Here you go: Bike type chose surron ultra bee Your QS138 motor After that it will do a motor calibration keep the rear wheel off the ground during that as it will spin slowly. For battery choose your voltage and set it to EBMX high power harness. If you choose unlimited you will be...

awesome was this your first or second bike with the ebmx controller? if you need some settings to try out let me know then I can sent you the screenshots of what settings I use at the track. (I also have the password to unlock the full settings🤫 if needed 😉)

@grant c 850 conservatively max settings to run the QS138 70H v3 at is: on 72V: 350 battery amps 1000 phase amps 35kw 70% field weakening It can handle a little more, but anything higher will lead to overheating faster. The settings above are ridable for me on the MX track all day with no heat...

Hi @Dave Daum, congrats awesome build and a lucky roller find. so nice to see that after the first build the next ones go like in a blink of an eye :) saw you installed the 15T Sprocket. How much Teeth you use for the rear? What gearing you run on the other Bike? Just out of coriosity as I...

just stumbled across these... FX Throttle someone already tried them? Marketing of them is quiet promising with full CNC 0-4,9V Hall sensor more than your typical 0-4,2V you get on the common throttles 65 degree twist 3 way adjustable spring tention

By the way here finally some footage of my bike on the track ;) Still looking to get some camera for pov thinking about the insta360…

Hi @Dave Daum Easy Single red wire (with the cable shoe on it) goes to battery positive Then to one of the two cables from your on/off switch (doesn’t matter which one) The now last free cable from your on off switch goes to the other red cable that goes to the controller So let’s say the...

@raedy07 to get anything street legal in Europe is a nightmare. For DIY even more than for production Models. To legally operate a motorcycle in Spain that has been converted from a gasoline engine to an electric motor, several legal and technical requirements must be met. Here's a...

hehe I just Test fitted them over the Pegs the L-Tracks are about to be delivered today So Currently they are not hooked to the Trailer, thats why the orange straps are still on ;)

@Dave Daum I am finally done with my Battery Cage (kinda proud how it came out :)) so I can call this Build finally "Complete" as I am not currently thinking about changing anything. off to the next project :LOL: but thats off topic as I have to turn this little trailer into my toy hauler...

I have it in 22S13P and it cost me 2500$ to my door incl. shipping and PayPal fees. CRF frame was a 2009 CRF 250 frame

@Bullionboy I can only speak for CRF Frames inside a Honda CRF 450 Frame you can maximum fit a Battery containing 286 Cells plus BMS etc. enclosed in a Metal Casing. This will result in a 26S11P Battery 96v and 49,5AH (calculated with Molicel P45B cells) or 96V and 55AH (with Molicel P50B cells)...

Little MX Lifehack: I was looking for Griptape for my frame there are several companies offering stuff like that already cut to size for your specific bike. But they are quiet pricy so I was on the hunt for the "roar" material that these companies use and found some super sticky grippy rubber...

just recieved my new Battery Charger. tested it. and I can absolutely recommend this one: Looks great (Product Quality wise) Delivers the power that was advertised The version I bought is capable of pushing 73-101V DC at up to 50A towards the Battery So I can adjust it to the needed 92,4V for...

New Connector Kid on the Block or am I just late to the party? just found out about the QS-12 Connector. Quiet a few upgrades over the QS-10 QS12 Connector Black Antispark Connector super heavy duty current connector Specification: Item name...

@Dave Daum absolutely in love with my bike as well. Excited for the future ride days with it. Would like to also single track it around my area but it’s strictly forbidden if you have a MX bike… you can get away with it if you have a registered enduro with lights and licenseplate and all that...

was out saturday evening at the track (hard packed ground with here and there some soft deep sand spots and turns) This was the battery status before riding: (Screenshot from when I was still home and it was connected to the charger so ignore the temps the Battery was at 18 degrees C...

Battery Cage update I now that I had a basic idea of the scales for my battery cage with the frankensteine dummy we build: it looks soo terrible xD so I went the extra mile now to get a narrowed down shape of the Battery cage in a .DXF format so I can sent it to a CNC Cut Service. I have...

little update on Battery Cage A buddy of mine has the possibilieites to Weld alluminium so I bought some 5mm thick alloy sheets and alloy pipes. So we can DIY our way to a battery cage (this will be only a template so it might kinda look wild but we will do a good one after that made from fewer...

I have to correct myself here now after some brief forth and back testing regarding the Throttles! I will now completely switch to the electric hall sensor throttle: Little sidenote this super thin plastic part where the grip attatches to from the surron throttle can be swapped with a CNC...