Pitbull Trailer Restraint - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
General V-Strom Discussion Talk about all things V-Strom not limited to just one of the above models

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post #1 of 17 Old 08-08-2014, 04:07 PM Thread Starter
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Pitbull Trailer Restraint

After fumbling with the PTR for some time last night I gave up. There were no instructions in the box, and I even tried drinking a beer while assembling to no avail. This morning it dawned on me that the nut was to replace the factory nut not to use in addition to. After figuring it out it is a very slick setup. See their website for videos. No straps required for trailering!
P.S.-- I know that trailering a Strom is a sin and punishable by death in at least 17 states and 11 countries, but timeline dictates that I haul my bike and my brothers Busa to Reno from Iowa, rather than ride. He is flying to meet me for the ride. ImageUploadedByMO Free1407524800.464143.jpgImageUploadedByMO Free1407524813.274657.jpg


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post #2 of 17 Old 08-08-2014, 10:12 PM
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What is the advantage if you still have to chock the front wheel? Cool looking gizmo though.....

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post #3 of 17 Old 08-09-2014, 10:58 AM Thread Starter
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ImageUploadedByMO Free1407592637.680939.jpg

Biggest advantage is that no chock is required and thus no strapping is required. No suspension compression while trailering and no need to worry about a strap breaking.


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post #4 of 17 Old 08-09-2014, 10:59 AM Thread Starter
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ImageUploadedByMO Free1407592765.983826.jpgImageUploadedByMO Free1407592784.656045.jpg


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post #5 of 17 Old 08-09-2014, 11:23 AM
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What a nice way to hold the bike in a trailer. Beats the straps and crap that come loose and cause more problems.
Used only when the bike can't run on it's own, of course.
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post #6 of 17 Old 08-09-2014, 11:44 AM
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I'm sure I am wrong -- I sincerely hope so, anyway -- but a couple of welded tube steel arms down that low on the bike's COG does not look very secure to me. Not to mention the fact that the swingarm is designed to handle vertical loads and not side-to-side ones which is what this brace will create. Are the bearings up to it?

Also, what's to keep the steering end of the bike from jumping around on bumps and getting out of line with the rear? That would put even more lateral force on the swingarm.

People have been using straps successfully since Christ was a corporal. Is this a solution to a non-existent problem?

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post #7 of 17 Old 08-09-2014, 03:51 PM Thread Starter
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Judging by the very official wiggle test, it is quite secure. I am not nor do I pretend to be an engineer, but I'd have to say that loads on the axle and swingarm bearings is minimal due to the bike being held vertical. Those forces would greatly multiply with any angle. Great piece of mind for me as I had a strap break on my previous bike leaving a not so nice crease in the side of the tank.


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post #8 of 17 Old 08-09-2014, 05:46 PM
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I am also about as far from an engineer and anyone can be, but I guess I'm one of those nervous Nellies that imagines a worst case for everything.:mrgreen:

Standing vertical, of course, there is no strain anywhere. But I'm thinking of a scenario where the trailer wheel on one side hits either a bump or a pothole, throwing the bike with force to the side. The axle will be held securely but a lot of torque will be transferred to the swingarm from the bike's mass.

One assumes, though, that the rig was fully tested by the manufacturer and will work fine. Give us a trip report later. Something like this would work better in my toy hauler than a network of straps to crawl around in a confined space.

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post #9 of 17 Old 08-09-2014, 07:20 PM
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Did you see what almost could have happened?

My 99 Yr old Mom used to say that in her senility. What wild and active imaginations! Can't be worse than buggering the paint on my new BMW getting it home from the dealer in a U-hail trailer designed for the purpose or having the Wee Strom come loose from the straps and bounce around on a friends' car trailer.
Seems the ass end of the bike is securely fastened to the trailer.
What forces don't you imagine when you are bouncing around a dirt road or some lumpy bit of ancient asphalt in the hilly areas of our mountains?
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post #10 of 17 Old 08-09-2014, 07:53 PM
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Quote:
What forces don't you imagine when you are bouncing around a dirt road or some lumpy bit of ancient asphalt in the hilly areas of our mountains?
If that cryptic (are you taking writing lessons from RichW?) question is directed at me I can name a few forces I don't imagine under those circumstances:
1) planetary gravity effects from the Gamma Quadrant
2) dark energy
3) voodoo
4) quantum entanglement

Usually my attention is directed to actual inertial forces generated by a heavy object bouncing around.

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