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Discussion Starter #1
Does anyone else on this site have a Roll Design Lobo 250R? I am looking for more info on my bike. I called Roll Design and they didn't seem to know anything. If anybody knows a lot about these quads or has one let's hear about it. Thanks.
 

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Discussion Starter #4
Thanks man. I think there may have been a couple different chassis designs and I got three sets of a-arms with it. All different designs.
 

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I have the Lobo II a-arms only. They are +3 set up for the stock frame. Probably not much help to you.
 

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Discussion Starter #6
No not really. But thanks for the reply. One of my main questions was that I received three sets of a-arms with the bike: mx, desert, and xc. I know which ones are xc, because they are a little narrower than the other two sets and not gullwing (for more ground clearance). They use standard travel shocks. My dilemma is the other two sets. Which set is mx and which set is desert? They are both gull wing and both use long travel shocks. They are the exact same width as well. The only difference is that one set is +1 forward and other set is not. So one set will give me a one inch longer wheelbase. My guess would be that the +1 forward would be the desert setup but I'm not sure. I would think you would want the longer wheelbase for the desert and the shorter wheelbase for making quick turns in mx. What do you guys think?
 

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I agree that the +1 is probably desert. I would bet that if the castor is non-adjustable, the desert arms probably have more castor, meaning the top of the spindle is leaned back further.
 

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Discussion Starter #8
The uppers on all sets are heims. The weird thing is that the guy I bought it from said he didn't change a thing from the way it was set up by the original owner. He bought it in 2000 from the original owner; pro nationals mx rider Mike Maniaci. I think I need to get this settled with the man himself, Doug Roll. Haha!
 

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there was a guy on the old r-central. dez sled or something similar to that, he had a roll R that he desert raced. you could try PMing him from the old site. he may have e-mail notification and notice the PM. he hasnt been around in a while, which is too bad he seemed to know a lot about R's i think his name was mike.
 

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if they haven't been changed you could always bolt them up and measure the caster and thatwould tell you if they were the mx or desert arms. it's a little more work but isn't it aways fun to work on the good old R.
 

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if its +1 its mx. i never rode desert but i ddont think you do alot of hard turns so why would the a-arms have to be longer lol ill find out for you later today...but alot of people that ride in the desert use a mx set up so idk. what kind of riding do you do?
 

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if its +1 its mx. i never rode desert but i ddont think you do alot of hard turns so why would the a-arms have to be longer lol ill find out for you later today...but alot of people that ride in the desert use a mx set up so idk. what kind of riding do you do?

the a arms are longer for more stablity in desert. you can run the same arm in desert or mx but you need to change the caster for better high speed steering.
 

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were talking +1 forward here, not +1 width. unless im the one missing something. the desert arms are +1 forward so that the wheel base is stretched out and is therefore more stable at hight speeds. the MX arms are not +1 forward so that its a little easier to make the tighter turns you have in MX.
 

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were talking +1 forward here, not +1 width. unless im the one missing something. the desert arms are +1 forward so that the wheel base is stretched out and is therefore more stable at hight speeds. the MX arms are not +1 forward so that its a little easier to make the tighter turns you have in MX.
that is correct!
 

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Discussion Starter #15
That's correct. +1 forward. The width is the same on both sets. If anyone has a full aftermarket chassis mx 250R (which I know there's a few sweet ones on this site), could you guys measure your wheelbase for me please? Measure it from hub center to hub center. Please be precise. Also list what setup your bike is. Additionally, could I get some swingarm lengths on the same bikes? Center to center measurement. Thanks so much for help so far. Keep it coming.
 
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