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Old 08-16-2008, 02:13 PM   #1
kkesp OP
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Need help finding posts for 21" conversion

I have searched every forum even did a google search. I thought I read about guys converting their 1200 GS to 21". I just need to know what besides the 21" wheel needs to be done.

Thanks
Kris
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Old 08-16-2008, 04:17 PM   #2
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Check with MJS

Not sure if he documented it in posts here, but I am pretty sure MJS has done the 21" conversion.
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Old 08-16-2008, 06:35 PM   #3
MJS
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Remove the lower mud guard. Install new wheel. Ride.

I did the 18" rear also.

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Old 08-17-2008, 02:28 AM   #4
Siva
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mjs,

how different is the bike now with 21/18 wheels ?

do u do lots of dirt then bitumen?

i'm wondering tooo about the 21 front ... but need some input from people who have done this.


cheers
Siva.


Quote:
Originally Posted by MJS
Remove the lower mud guard. Install new wheel. Ride.

I did the 18" rear also.

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Old 08-17-2008, 04:45 AM   #5
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here's a link

http://www.advrider.com/forums/showthread.php?t=145899

lots of q&a about wheels. hope it helps.

I wanted to go with 21" front as well since my XT had it and it was very smooth. Better off road than the donut but not as quick in town. It depends on what you are doing. I'm going to to an archeological dig and try to find that old XL250 in my garage to go mudding with, more power than the km100 but less fun when it goes down. The Km doesnt go down, it's too light, i just hold it up.

cb
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Old 08-17-2008, 02:19 PM   #6
MJS
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The 21" front makes a HUGE difference off-road, especially in sandy conditions. The 18" rear is less of a difference other than tire choice. The only downside for me was tubes but that's minor as all my other bikes are tubed anyways.

The issue with pavement are: 1) tire wear - real knobbies just don't last; 2) tire noise - it's a knobby thing; and 3) handeling was pretty good but not like a tourance, another knobby thing.

I would do this conversion again if I only had the 12GS. But these are an off-road item and that's where I ride my bikes. They do dedract from the superslab (boring) rides.

Now that I have an HP2, I'm going to convert the wheels for use on that bike.

Cheers,
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Old 08-18-2008, 08:41 AM   #7
kktos
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Question

Mark,
got a Q for u.

This week end, we did a little ride (road) with a pal on F800GS.
we swapped bikes just for fun. we were riding with the misses too.
I was very surprised to see how the handling was different on the 800GS from the 12GS.
I did remember having to struggle so much with the handling the first time I tried the 800GS.
Maybe it was because we were 2 on the bikes.
My Pal nearly felt with the 12GS on the curves as he was used to push hard to turn.
Was fun
Also I'm wearing karoos and him road tyres.

So the Question:
did u feel a real diff in handling the GS with the 21" ?
I rode an HP2 this summer and it was a huge panzer to handle. Thought it was because of the tank extensions but I'm wondering if it was not simply the 21".

cheers,
/thierry
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