How long do brushes usually last in a hub motor for electric bikes?

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Student

I have a crystalyte sparrow hub motor and ive only used it for 100 hours and now it doesnt work. Can brushes run out that fast. Also is there special tools needed to replace the brushes for the motor, or is it a simple procedure. Please tell me how to replace brushes. Thanks

Answer
the springs on the brushes are a bit unruly but it can be done

I want to convert my bike to an electric bike, anyone have any experience with this?

Q. I want to convert my current bike to an electric bike for less than $200. I'm really not that handy with electronics, but if some instruction to put A into B I can do it, I just wouldn't be able to figure out that A goes into B with out the instructions. Anyways, does anyone have some tips? All the sites that I've found are very unprofessional or non-specific so it's really hard to figure out anything from them. I would be willing to buy a kit.

Answer
An electric bike has to have a motor, controller, throttle, and battery pack.
Hub motors are the easiest to install.
overview:
You remove your old front wheel, put the new wheel where the old one was, align the wheel in the slots, adjust the brakes, secure the controller and the battery pack on the rear rack, put the throttle on the handle bars, route the wires safely and tie-wrap, connect the connectors together, turn every thing on and test.

To be of much use, you have to have at least 250watts, and hopefully more.

Largo scooters has a decent kit (go Hub)for $600 and is nice. Every once in a while you can find a WE or BD36 for maybe $350.

A Largo kit has keyed connectors so you cannot hook it up wrong.

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Title Post: How long do brushes usually last in a hub motor for electric bikes?
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