I spent a lot of time looking at the kits sold online, there are a ton of online sites, especially in British Columbia which sell tons of different kits. I almost bought a kit from www.ebikes.ca, and it was hard not to buy one from them because I had spent a summer working in the Engineering Power Lab at UBC with Justin (the guy who started ebikes.ca). In the lab Justin was researching different brushless drive algorithms and PWM schemes to optimize the efficiency of the motor. After seeing how much Justin knew about electric bikes, and how thourghly he tested all the components and kits before choosing which kits to sell, it was hard not to buy a kit recommended by him and sold at ebikes.ca. Take a look at the simulator on their site to get a feel for the talent and knowledge behind their kits.
The kit I ended up purchasing from e-ride.ca is the Motorino-500 which consists of a 500W geared hub motor, a 48V 17A controller, a hall-effect based thumb throttle, two brake leavers, nice thick spokes (possibly DT?) for a 26" wheel, and a carry case.
I ended up buying the kit from e-ride because of the weight of the geared hub motor, and because of the price ($500CAD). As a bonus, once the kit arrived, not only was the hub motor light weight (around 10lb - I should have weighted it before I built the wheel), but the controller was very small too!
Before I bought the kit, I tried to get as much information about the kit from Steve as I could, but he wasn't able to tell me much of anything. However, after receiving the kit, both the motor and controller have Samhyun and Hirun stamped on them.
It seems that Samhyun (www.samhyun.co.kr) is the manufacturer of the hub motors and controllers in Korea, and they make lots of different motors and controllers.
Hirun (www.hirun.co.kr) is also in Korea, and they seem to sell pre-built electric bikes. I was able to get more information about my hub motor and controller from those sites, but I will post it later.
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