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Hence my question if it would be the same to get a BBS02 36V and lower the current to match the BBS01. I would like to have a bit more power than the 250W, since I want to travel as fast as 25 mph from time to time. The BBS02 is not much more expensive and it seems more robust. Is there any...

Is not that more torque than necessary? Seems like a waste to have that much power for a rider of 70kg not intending to travel that fast. Thats why Im asking the questions, if its possible to convert a bit of that torque to speed with gearing and to remove some torque to save battery by...

Yes, I agree about the top speed. I had an ebike with Q100 hub motor and I found that about 24 mph was a good maximum speed, but 20-22 mph was my normal speed. My concern is that everybody seem to recommend the 48V version of BBS02 500W. Im trying to figure out if it really is better and why...

hmm.. 500W is 500W, the same power. The 48V version run at 18A, and the 36V at 25A. Both output the same power amp*volt=900W. The 48V with more speed, less torque - and the 36V with less speed more torque. Correct? Then gearing should be able to change the torque to speed, or the other way...

Why? Shouldnt it be possible to get the same speed when using bigger chainwheel and smaller back gears? I mean, they both ouput the same Watt - the same power, then it should be possible to convert torque to speed with gears. No? Again, why? when reprogramming the BBS02 36V 500W to 18A, it has...

Thanks trex for your explanation, Ive been searching for this info everywhere until now. Two questions: 1: With BBS02 36V 500W, since it has more torque at lower rpm than the 48V version - would it be possible to use bicycles gearing to get the same speeds out of both version, with the only...