Here in Quebec there is no top speed restriction on electric assisted bicycles. All I need is a sticker on the motor stating the maximum power output and rpm at the shaft.
I'm in pretty good shape, last summer I frequently did over 25 mph with my set of 1.5" slicks at 75 psi on my commute to work. The only problem is that I was sweating a lot and had to take a shower and change at work. This is exactly why I am looking at e-assist. I'd like to get the same speed, but have the motor do half the work, so I don't need to change when I get to work.
I need to rule out the hub motor as I have disk brakes. I like the ZAP idea, it could work ok.
Just so you know, I was planning to go the DIY route.
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