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  1. K

    Brake Light Switch Options

    What are the options for a brake light switch for regular cable operated bicycle switches? Below is a picture of one example but I do not know where I can purchase just the switch. I would also like the solution to be an easy installation.
  2. K

    Before & After

    Before: I used two of these as donor bikes. One was an older model with triple tree forks.
  3. K

    BMS, Discharge Rate and Controller Question

    I built an ebike years ago from a Grubee kit with lead acid batteries. I am now returning to the EV scene with a newer bike and a direct drive 1000 watt Golden Motor that I have had sitting around idle. Choices today are overwhelming - which is actually a good thing I am starting to look into...
  4. K

    Strong rear wheel suggestions needed

    I have a 500W 48V Grubee front hub motor mounted on an old rigid Arashi Matrix mtn bike. The rear wheel is the original Wienmann made in Switzerland. On the rim is mounted heavy duty tube with slime and a 26 x 2.125 inch Kenda tire. Coming back from a ride today I hit a pothole that was only 2...
  5. K

    Grubee kit troubleshooting

    Knuckles I'm hoping you can help since you have some experience with Grubee kits. I have a Grubee (Skyhawk) 48V 500 Watt front hub motor kit (direct drive). It stopped working after a couple of weeks and minimal usage. I couldn’t find any distributors so I purchased a modified...
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