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  1. F

    What is your favorite 500W-3000W Direct Drive Hub Motor?

    The GoSwiss is by far my favorite hub motor. Very bike-like feel to the pedal assist, no throttle, easy installation, bullet-proof reliability, good range from battery versus other systems with equivalent watt-hour capacities.
  2. F

    Reliability of Impulse Motor

    Here is a photo showing components for the primary reduction setup - if that helps
  3. F

    Reliability of Impulse Motor

    Two bearings on the Impulse gear reduction shaft are 608ZZ and 6801Z Panasonic Bearing is 6003LU
  4. F

    Reliability of Impulse Motor

    I wanted to provide an update on the reliability of the Derby Cycle Impulse II motor system. I own a bike shop in Boulder, CO and used to focus exclusively on electric bikes. I've sold thousands of electric bikes and serviced many of the bikes on the market current and past. I'm a Mechanical...
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