Extrawheel

flecc

Member
Oct 25, 2006
53,161
30,577
I haven't used one beeps, the price is good, but I don't like the way the high load waggles the bike around. I prefer the Bob-Yak type:


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redalpha3

Pedelecer
Oct 31, 2006
91
0
Not sure about my facts here, so please correct me if I'm wrong, but doesn't a single wheeled trailer need more energy to pull it than a double wheeled one? I considered a Bob-Yak trailer and was advised against it.
 

flecc

Member
Oct 25, 2006
53,161
30,577
Not to my knowledge Pete, it's less due to halved rolling resistance as long as the tyre pressure is matched to the load. The Bob-Yak is the firm favourite with touring cyclists who hardly ever consider a two wheel type. The banking on corners is a big advantage too, since there isn't the need to take care on sharp corners that there is with two wheelers, so speed isn't lost by slowing down. I've had a few nasty incidents with my two wheel trailers overturning on bends due a pothole, sudden camber change and the like, but my loads are too much for a one wheeler, otherwise I'd use one.
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redalpha3

Pedelecer
Oct 31, 2006
91
0
Thanks for straightening me out flecc. I've always liked the look of the single wheel trailer. It looks much more serviceable when it comes to squeezing through narrow entrances to cycle tracks and into the yard at the back of my house. I don't know how I came by that little piece of mis-information. Probably guilty of half listening!
 

flecc

Member
Oct 25, 2006
53,161
30,577
Thanks for straightening me out flecc. I've always liked the look of the single wheel trailer. It looks much more serviceable when it comes to squeezing through narrow entrances to cycle tracks and into the yard at the back of my house. I don't know how I came by that little piece of mis-information. Probably guilty of half listening!
Could be how someone felt about trying one Pete. I've only ever tried a short ride on road with a clone of the yak, but I felt fine with it, hardly aware of it there. Only problem I find with small trailer wheels in general is they seem to be magnets for punctures. If there's a sharp object around, they find it!
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darrellt

Finding my (electric) wheels
Jun 22, 2007
13
0
2 wheels or one

Ive found that a two wheeled trailer with a flexable attatchment bracket does not have any handeling issues. Infact with the one i use ive dropped my bike and the trailer stayed on 2 wheels so its very stable and easy to tow.
 

flecc

Member
Oct 25, 2006
53,161
30,577
It depends on load size of course, I couldn't use a flexible attachment with my loads like this:

 

flecc

Member
Oct 25, 2006
53,161
30,577
The real question is, how many Extrawheel's can you string together and still pedal? :)
I do double up on two wheelers sometimes, when loads are exceptionally big and can't fit on one:

 

kraeuterbutter

Esteemed Pedelecer
Feb 21, 2007
296
0
@flecc:
:D
for the pic with the two trailers:
you need a third one at the end:
http://www.thunderstruck-ev.com/ibex_full_side.jpg

there is somewhere on the net a small trailer, looking like the one in the first post of the thread-starter.
but no soft-bags, but hard shell
a hub-motor with the batts, very low sitting..

so every bike is easily within seconds modifiable to an electric bike