Mountainbiker.
Now we have several bike trails, which meander the city and its surroundings.
Go to the main street, is dangerous, and for this reason that my wife and I prefer the bike paths.
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I did a quick speed test with my SCHWINN I-ZIP, a bike trail, flat terrain, with moderate wind .. without using the pedals, and a second battery in overweight + My weight 170 pounds ..
28-31 klm-h (17 to 18.5 mph).
This speed is sufficient on the bike paths.
The Wilderness of my wife, traveling at substantially the same speed.
That, for the small speed test.
Thank ..
PS..
Approximately, 65 klm ( 39 miles) with my 2 battery 24 volts each , a speed of 16/18 klm-h, on bike path (with minimal assistance)
Small video .....
YouTube - SCHWINN I-ZIP 24 VOLT- SPEED TEST .