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Old 11-27-2012, 09:57 AM   #54646
swingset
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Quote:
Originally Posted by mgorman View Post
Flex? Have you even ridden the last generation XR's? (96+) I put 3 years on a 97 400 and a 99 250 and flex was never an issue, even for my 200 pound ass and that was racing, not trail riding.

Drew Smith at Works Enduro Rider will suspend that XR so nicely, you'll go faster longer.
All steel 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.

The XR's frame is a probably a decent one, but all things being equal and drawing up a dream bike, I'd prefer aluminum for the isolation of the suspension and the reasons I stated - easier/better parts and top-shelf stuff rather than grafting stuff on to the XR's frame.

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

You can prefer steel frames, companies and riders do, everything's a compromise...and a personal choice.
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Old 11-27-2012, 10:01 AM   #54647
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250's are for pussies or 90lb women.
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Old 11-27-2012, 10:13 AM   #54648
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Quote:
Originally Posted by swingset View Post
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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Old 11-27-2012, 10:18 AM   #54649
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250's are for pussies or 90lb women.
so which one am I?

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Old 11-27-2012, 10:51 AM   #54650
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That's a cool old Husqvarna.

Later,
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Old 11-27-2012, 11:50 AM   #54651
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so which one am I?
A poser, your helmet doesn't even match your bike or gear



So when we riding? I should be good for Sunday
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Old 11-27-2012, 11:53 AM   #54652
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250's are for pussies or 90lb women.


How about a 90 kilo man?


ok, I am what I eat, I'm a pussy
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Old 11-27-2012, 11:56 AM   #54653
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Whitey, MGorman, you're killing me down here.


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Old 11-27-2012, 12:35 PM   #54654
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A poser, your helmet doesn't even match your bike or gear



So when we riding? I should be good for Sunday
where / when?
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Old 11-27-2012, 01:31 PM   #54655
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whitey, mgorman, you're killing me down here.

Dear abby.....

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Old 11-27-2012, 01:35 PM   #54656
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Whitey, MGorman, you're killing me down here.


That's classic GCMK!

But obviously he needs to take it back to the dealer.

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Old 11-27-2012, 02:17 PM   #54657
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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.

Quote:
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   #54658
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where / when?
I'll see what I can find
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Old 11-27-2012, 02:48 PM   #54659
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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   #54660
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spot

got this in my inbox





expires today at midnight
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