Search results

Date Relevance Most replies

  1. respire

    BBS02 - 10S Cassette cogs eating freewheel spline & remedies

    Hi there, I was just unmounting my 10-speed cassette to do a mod recommended here to get better chain line with mid-drives. Then I saw my freewheel spline on my Novatech D882SB had been dented by the cogs of the casette: My front sprocket is a 42T, 11-42 for the cassette, my rim size...
  2. respire

    Error 07h on BBS02 - fried controller?

    Hi there, I recently had intermitent occurences on my BBS02 750W where my C965 display would indicate the error code « 07h » randomly in the middle of a ride. When this happened there would be no power output. After I had this happened 2-3 times in a week, it became a persistent issue and it...
  3. respire

    LEDs - are COB or SMBs offering the widest operational range in voltage and current?

    It's time to put some lights onto my first e-bike project! My battery is 52V and it delivers in the range of 42-58V (roughly), and i'd like to be able to use four 12V LED in series without a DC/DC converter. However when the battery is full, the LED should still glow with only 42/4=10.5V and...
  4. respire

    Bluetooth BMS and high voltage cutoff

    I'm having a battery built with a bluetooth BMS (this one) and would like to know if using it to limit high voltage to 4V per cell is a substitute for using a charger with a 80% or 90% cutoff. My (uneducated) assumption is that the charging voltage output on a 58.8V charger set to charge at 90%...
Back
Top