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| https://endless-sphere.com/forums/viewtopic.php?f=3&t=75880 |
This
is the best utility bike frame I have seen yet. But it does need a
rack welded onto the front of the frame. And a motor mounted low
under the seat, to drive the rear wheel. Hub motors are for flat land
only!
The
rear rack should be long enough to hold a large size milk carton box.
Once you have more carrying capacity you will want even more. Also a
ladder rack on the side, would be very good to have.
An
easy step-through frame is essential for a fully loaded bike! This
fork design is for strength rather than travel, it is not an off-road
suspension. But excellent for riding off curbs and pot holes. And at
high speed, if you hit a pothole with a heavy load on the front, you
could end up with broken spokes or even a dented the rim.
The
front wheel will be easier with a drum brake hub. Rim brakes or a
disc brake will be difficult to apply to the front suspension with
out a jig. And be sure to use the widest rims so you can use 16”
Moped tires.
The
slower you ride the shorter the trail should be. I had to
change my recumbent to half inch trail because I really noticed wheel
flop when climbing hills too slowly. My utility bike has 1.3”
trail. Any thing over 2” is for fast cruising.
Building a compact cargo bike
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| rear suspension |
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| rear suspension |
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| fork vertical arms |
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| fork lateral arms more examples   |
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