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Bike Feels Sluggish. How can i tell if it has hotrod programming?

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    Bike Feels Sluggish. How can i tell if it has hotrod programming?

    Hi I recently ordered a BBSHD from LunaCycle and completed my bike build.

    I ordered the hot rod programming as I did for my previous build with the
    bbsd.
    However the bike appears to be very sluggish. It accelerates from a stop no
    problem, but once I start approaching 20 MPH, the bike feels sluggish and I
    have to put a lot of effort into it myself to get over 20 mph. Even on a
    steep hill in Seattle the bike gets nowhere near 30 mph. I believe that
    either there is something wrong with the motor or the display was not
    programmed for hotrod mode. My first build was on a much heavier cargo bike
    with just a bbsd. On that bike, I could easily get up to 30mph.

    Any tips for debugging? Do I need to buy that overpriced usb cable :(?

    #2
    Also I have a Bafang Display DPC-07 for my display,

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      #3
      I was looking at page 44 of Luna's display manual reference link, and this display does appear to have a speed limit setting. Have you checked what the speed limit is set to on your display?

      I don't think the display are otherwise programmed for hotrod mode - that's a motor configuration, I believe.

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        #4
        That could definitely be it. For whatever reason Bafang did make some of those displays with limit at like 17mph as it says on the listing https://lunacycle.com/bafang-display-dpc-07/

        There is instructions on the listing how to change it, along with the passcode for advanced config and so on.

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          #5
          Yeah Thanks! That was it. Mine was set to a meager 16mph! I bumped it to 30mph! Hopefully my brakes still work :)

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            #6
            Ah that explains it. BTW you can swap to a larger rotor quite easily which should increase your stopping power by quite a lot with not a lot of modification. Might be a good idea on that front brake if you are concerned about braking ;)

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              #7
              Those look like Avid BB7 brakes. Bigger rotors definitely, but at 30MPH I like the sintered metallic pads also. They wear longer, need less frequent adjustment, and don' fade due to heat. Not as quiet but stopping becomes a priority at 30MPH.

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