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  1. Flash-FX

    Bafang Ultra, Minnesota 1.2, Fatbike

    Ok, here's the starting point. A stock inexpensive aluminum frame fatbike. I decided the ultra motor would be a bit more refined than a BBHD (torque sensing and power) for this build. One of the biggest challenges I see that people have is attaching the Ultra motor assembly to an existing...
  2. Flash-FX

    Befang Ultra- Chainring, Spider Options?

    Is everyone running the Ultra drives with the stock provided 44T stock steel chain rings? And how about the stock steel chain ring spider. Anyone know if there is a aluminum version available? A 32-34T 104 BCD is something I could use. Just trying to be a little more realistic with the gearing...
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