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  #11  
Old 01-24-2020, 11:31 AM
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gasser gasser is offline
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I have a friend that put a kawasaki rear wheel on his GG 300. It worked well.


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  #12  
Old 01-24-2020, 12:43 PM
3DKevin 3DKevin is offline
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Quote:
Originally Posted by Anders View Post
I hope I can do the measuremenst over the weekend.

Well, up front you can get away with almost anything. It's just a matter of lining up the disk in the caliper and making some spacers to fit, as long as you find suitable bearings. I (and plenty others) have fitted a GG hub in Yamaha forks, for instance.
Its the rear that represents the problem, as both the chain line and the brakes must fit, while the wheel is still in the centerline of the bike.
People have also used cast street bike wheels from e.g. Aprilia RS125 and I think also Suzuki GS500 if memory serves me right.
I have never built a SM bike, but I did install magnesium PVM Ducati wheels on my Bimota Supermono. Then I had to spend some hours in the lathe and milling machine...
I have never heard of Alpina before, but they look nice.
What part of the world are you in?
I'm in Pennsylvania in the US. It's a lot easier for me to get Warp9 or excel wheels here, but I love the idea of tubeless spoked wheels, and as far as I know Alpina is the only company that provides that (for a reasonable price). I'm going to reach out to Warp9 again and get details on spacing, and also to my local GG dealer to see if they have any experience on the matter.
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  #13  
Old 01-24-2020, 12:45 PM
3DKevin 3DKevin is offline
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Originally Posted by gasser View Post
I have a friend that put a kawasaki rear wheel on his GG 300. It worked well.
What year specifically? Alpina does make rears for KX/KXF's, though they don't say for what year range. What spacers did he use, or did he make his own? Any other modifications necessary?
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  #14  
Old 01-25-2020, 05:21 AM
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Did some rough measurements. A 160/60 BT090 on a 5" rim is 172mm. From then, you can measure the rest on you own bike, but I would think you'll get into trouble with both chain and swingarm. Other tire types will measure differently
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Anders

"So you know, that you're over the hill when your mind makes a promise that your body can't fill" (Little Feat: Old Folks Boogie)

2015 EC200 Racing: TE bars, Rekluse Core Exp 3.0, 38mm Lectron & Ohlins S3 steering damper
2006 EC200: 2011 plastics, Rekluse Z-Start, revalved KYB forks & Scotts steering damper
1998 Bimota Supermono
1986 Duc Mille S2
1975 Guzzi sidecar hack
1961 Morini Corsaro 125
etc
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  #15  
Old 01-27-2020, 12:41 PM
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gasser gasser is offline
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Originally Posted by 3DKevin View Post
What year specifically? Alpina does make rears for KX/KXF's, though they don't say for what year range. What spacers did he use, or did he make his own? Any other modifications necessary?
I asked him about the wheel when I saw him at church yesterday. He thinks it was a KX 250 wheel from the early to mid 90s. He couldn't remember about the spacers but said that having only 1 bearing on the sprocket side caused it to wear out faster.
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  #16  
Old 01-27-2020, 06:36 PM
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Harry Harry is offline
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OEM GG motard rims. https://www.moradsa.com/

Front rim: Morad (Spain) 17x3.5"
Front Tyre: Michelin 120/70R-17

Rear rim: Morad (Spain) 17x4.25"
Rear tyre: Michelin150/60R-17

Chain just grazes edge of rear tyre.
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