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  1. H

    Disappointed w/ Sondors Rockstar power

    Got my bike March 2022. First off, it arrived with a broken fork and that took three weeks for them to replace. So that sucked. But what also sucks is the power/torque on this thing. Very underwhelming. I'm wondering if something is off in the parameters or if there's an actual problem...
  2. H

    Inaccurate mileage and speed? Calibrate?

    The bike is a Chinese Stealth Bomber style clone, purchased off of eBay. 8000w hub motor. Sabvoton mqcon controller. Panasonic 72v battery. HKC-01 display. Somehow the settings got accidentally tampered with or reset or something after fixing a flat and doing a little maintenance on the...
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    Battery indicator stays reading 100% until out of power

    No matter what I do or how far I ride, the battery indicator reads 100%. Until the bike runs out of juice, of course, and leaves me stranded 12 miles from home. The little icon that looks like a tiny battery stays full and doesn't decrease as it normally should while putting on miles. It...
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    Why is the factory setting on my 72v bike set to 48v?

    So the bike is a Chinese stealth bomber clone. Panasonic battery. Sabvoton mqcon 72150 controller. Ukc1 display. 72v. 8000w. If the bike is 72v then why is it factory set to 48v in the parameters? What happens if I change it to 72v?
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    Bike doesn't fully charge? Charger turns green @ 83%

    One problem after another on this damn thing.... It's a stealth bomber clone from China. Panasonic battery 72v. 8000w. Sabvoton mqcon 72150 controller with ukc-01 display. For some reason, my throttles keep burning out. I'm on my third one. This time after replacing it, the bike won't...
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    CRAZY throttle problem!!!

    I've got a stealth bomber clone. 72v with 8000w. It has a Sabvoton mq con 72150(m) controller. Generic no brand name full twist throttle from ebay/China. Panasonic battery. So here's the problem: ~No throttle response and no throttle response from the pedal assist. This is actually the...
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    Everything looks great! Except it doesn't move!

    I had a rear flat on my Stealth bomber clone with Sabvoton controller and hub motor. It's 72v and 8000w. And it was difficult to disconnect the wires and getting that rear wheel off and taking it to the local shop to have the tire put on. But I got it done. Put it back together and...
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