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Old 11-27-2012, 02:17 PM   #54661
swingset
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Originally Posted by swingset
All frames flex, whether or not you feel it is neither here nor there. A well designed frame flexes in accordance with the suspension, minimally, and feels planted; a poorly designed frame flexes and opposes the suspension, and that is an ill-handling bike or one whose suspension will be harder to manage or to feel consistent. This is true for Aluminum and Steel frames.

It's all hypothetical anyway, but there's got to be a reason aluminum is used in Japanese offroad bikes.

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Originally Posted by rxcrider View Post
edited
All things being equal, thickness of material, the steel typically used in motorcycle frames flexes more than aluminum. So, all things being equal Al flex is more rigid or more specifically the flex is more controlled...and I think that's the benefit for the manufacturer, among other things. There's a good article in MX Action I read discussing why and how the Japanese use aluminum and continue to improve it.

In many instances, flex is used to tune the chassis and even incorporated into both steel and aluminum designs (this is especially true in road-racing bikes). But it complicates offroad where the lighter, skinnier and taller frames on long suspensions see torsion and force from many different directions while being expected to track and feel "true". Al works very well in that regard, especially when you don't have to stick to one thickness. It's easier when you're hyrdoforming aluminum to make thick/thin areas than steel, where you can more easily "tune" the frame for desirable characteristics than you can with steel. The Japanese feel it's a better platform on which to develop chassis'.

Most people who ride the same bike (like opposing steel/al framed WR450's) with different chassis have a preference one way or the other.

There's no "right" or "better", really, there's different and if I'm going to make a dream bike that will never happen, I'll never build, nor will anyone else....I'll take an aluminum frame. Anyone who disagrees with my choice can have steel, or magnesium, or make it out of unicorn bones, and that's ok too.
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swingset screwed with this post 11-27-2012 at 02:30 PM
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Old 11-27-2012, 02:43 PM   #54662
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where / when?
I'll see what I can find
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Old 11-27-2012, 02:48 PM   #54663
MeefZah
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Would anyone be interested in buying or trading for a pair of Happy Trails Teton Panniers, 9.5" models, black powdercoat? Include the pucks and all hardware to mount to the rack, but not the rack itself... although I do have a rack currently on Meredith's Strom that probably won't get used anymore so possibly the bags and rack for a pre-2011 650 Strom...

I was gonna use them on the Yamaha but the straight backwall boxes look like rape on the left side of the bike where the exhaust is. I'm more of a minimalist anyway so I can really make do with just a decent sized duffel bag strapped to the rack.

Not sure of a price, really. Offers entertained. New the whole ensemble was around $600 and that was on sale.

Things I suppose I might want would include Wolfman waterproof duffel bag/s, a MotoFizz - Aerostich bag, moto gear in an XL top or 38" x 32" bottoms, XL hi viz helmet, that sort of thing....



This is a sorta recent shot with them, they currently are destickered and have a reflective triangle pattern on the sides and back (not shown).

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Old 11-27-2012, 03:39 PM   #54664
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spot

got this in my inbox





expires today at midnight
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Old 11-27-2012, 03:47 PM   #54665
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got this in my inbox


expires today at midnight

That expired yesterday according to the fine print.

But interestingly, I just got the reminder email from Spot as well.
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Old 11-27-2012, 04:06 PM   #54666
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Thursday's looking nice; sunny and 50 degrees. Anyone want to ride?
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Old 11-27-2012, 04:23 PM   #54667
bikeneil
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Quote:
Originally Posted by MeefZah View Post
Would anyone be interested in buying or trading for a pair of Happy Trails Teton Panniers, 9.5" models, black powdercoat? Include the pucks and all hardware to mount to the rack, but not the rack itself... although I do have a rack currently on Meredith's Strom that probably won't get used anymore so possibly the bags and rack for a pre-2011 650 Strom...

I was gonna use them on the Yamaha but the straight backwall boxes look like rape on the left side of the bike where the exhaust is. I'm more of a minimalist anyway so I can really make do with just a decent sized duffel bag strapped to the rack.

Not sure of a price, really. Offers entertained. New the whole ensemble was around $600 and that was on sale.

Things I suppose I might want would include Wolfman waterproof duffel bag/s, a MotoFizz - Aerostich bag, moto gear in an XL top or 38" x 32" bottoms, XL hi viz helmet, that sort of thing....



This is a sorta recent shot with them, they currently are destickered and have a reflective triangle pattern on the sides and back (not shown).
How about trading for an Action Packer
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Old 11-27-2012, 04:25 PM   #54668
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How about trading for an Action Packer
With ZSS?

(Zombie Survival Shit)
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Old 11-27-2012, 04:27 PM   #54669
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so which one am I?

Im all about the two stroke fun. (thats what she said, too!)
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Old 11-27-2012, 04:29 PM   #54670
Whitey1
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ok, I am what I eat, I'm a pussy
I like chineese also, what a coincidence! Hiya Mike!
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Old 11-27-2012, 06:55 PM   #54671
Danjal
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So why not put USD forks and a FCR on a stock framed XR400?

I have never owned an aluminum framed bike so I have no clue what the draw is. The CRF's I've ridden have never given me that "I need a recycled beer can for a frame" feeling.

Should have never sold my XR400
I'll definitely say the fcr is a hell of a carb. There's 2 versions though. The mx seems to be better all around unless you're purely road riding then the other non mx version is just fine.
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Old 11-27-2012, 09:22 PM   #54672
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Anyone who disagrees with my choice can have steel, or magnesium, or make it out of unicorn bones, and that's ok too.

no....you can't do unicorn bones...both the EPA and PETA would have a shit-fit about it...and besides, unicorn bones are nearly impossible to weld...you need a live dragon's fire-breath to be able to weld unicorn bones...and there aint any in North, Central or South America....might be able to scare one up in the Pacific Rim countries
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Old 11-28-2012, 04:49 AM   #54673
Whitey1
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Quote:
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no....you can't do unicorn bones...both the EPA and PETA would have a shit-fit about it...and besides, unicorn bones are nearly impossible to weld...you need a live dragon's fire-breath to be able to weld unicorn bones...and there aint any in North, Central or South America....might be able to scare one up in the Pacific Rim countries
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Old 11-28-2012, 05:01 AM   #54674
buildit
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He's just mad because Honda uses teak wood for shimming their engine parts. KTM appears to use dinosaur bones.
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Old 11-28-2012, 05:32 AM   #54675
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At the prices BMW charges they must use asteroid alloys and lube the engine with the blood of unborn children.
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