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The Cyclamatic is 20kg and I can easily carry it around (indoors or up the stairs). 25-30kg is not that bad. What do you think of this kit? (https://www.thesmallgreenroom.com/product-page/1500w-electric-bike-kit-including-52w-21ah-battery-and-our-121-build-assistance)

But I wouldn't be able to keep the motorcycle indoors. I already have two kryptonite d-locks (one for the frame and one of the front wheel) and two alarms (one underneath the seat and the other on the frame).

Great looking bike, very elegant but a bit over my budget (even the used ones are close to 3000 euros). Plus, most of the sellers I found on the german Ebay are located in Germany so transportation costs are also an issue. I wouldn't mind going for one of those B-52 stealth bombers but it would...

Thanks for the replies flecc. Your bike is unrestricted, correct? I have a restricted Cyclamatic CX1 with a 36v/8.8Ah battery. Someone suggested I get a new battery (48v/15Ah) and a new controller to do 20-25mph on the flat but I am concerned I might mess up the modifications.

I thought that the quoted wattage WAS the motor's designated wattage. Were you able to deduce otherwise by looking at the specs or from your experience? I don't recognize the names of the motors in the simulator. The UK e-bike sellers I've looked at do not mention the motor name either so how...

So what motor wattage is more efficient at maintaining 20-25mph unassisted? 500-750watt?

Doesn't a 350watt motor have to work harder (and generate more heat) to reach 28mph than a 1500watt motor? Isn't a 1500watt motor underperforming at 28mph and therefore is less stressed?

That's why I keep repeating "all things considered equal". Same incline, gearing, rider, etc, etc. Only thing that differs is motor wattage.

Feel free NOT to contribute anymore.

So the only reason to get a motor with greater wattage is if you want to reach greater speeds?

Say you have two bikes with motor wattage 500w and 1500w respectively and you travel at a constant speed of 20mph, which bike has greater range?

My function was a generalized high-level example of what a proper mathematical model would be like. The variable list was incomplete and the relationship between variables was not even specified. Every one of the UK websites I've visited does not mention the motor's manufacturer.

OK, if you solve the equation for range, then the greater the wattage, the greater the range (again, all things considered equal, including average velocity, terrain type, etc). Is that correct? I am not American. Why made you think that?

Excellent resource. Thank you.

EDIT: Removed gibberish. No, it'll only fuel my frustration to the point that I am filled with murderous rage!

No, I am not. In fact, I am grateful for yours and everybody else's input. I am a bit frustrated because I don't think I have a solid grasp of at least the basics and it feels like I am flying blind.

That's why I keep repeating the phrase "all things considered equal". For example, speed is a multi-variable function of the form: y = f(a[1],a[2],a[3],...a[n]), where ... a[1] = motor wattage (bike spec) a[2] = motor type (bike spec) a[3] = rider bodyweight (bike payload) a[4] = terrain type...

Others on this forum have told me that, all things considered equal, a bike with higher motor wattage will have better torque and give better range than a bike with a lower motor wattage. I think this forum needs a general FAQ for e-biking. Correct information, appropriately worded with not...

That's okay. I ride the bike on flat, public roads. EDIT: I found this segment from a morning show on Irish television about the VooDoo HooDoo from the smallgreenroom. What do you think?

Cheaper but more durable, correct? Aside from the better hill-climbing ability, they offer no other advantages.