GOZR
Zone Head
GOZR
Posts: 716
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posted June 21, 2003 08:40 PM
Magnesium/racing wheels no/yes
I found this from a racing tech.
- Magnesium/racing wheels
We don't care if Carl Fogarty came up to you and gave you his three times world championship winning wheels. Don't put them on your road bike. Sometimes "Not for road use" makes sense. Magnesium weakens dramatically when it corrodes after some paint has chipped off. Besides the risk of the material racing wheels are weaker by design too. Some people remove the reinforcement seam running along the center of the rim to make them look more racy, but these are there for good reason. On a race bike it's all about inertia and unsprung weight while a roadbike needs strength. Don't tell me you never ride your bike onto the pavement. Lately I saw a homepage featuring a Hayabusa with Technomagnesio racing wheels owned clearly by someone with more dollars than brain cells. He talks about the lack of inertia but not a word about strength. People who sell these wheels to make a quick buck should have their shops burnt down!
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-G
  
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ZHooligan
Moderator
Post Whore Extraordinaire!
Posts: 3829
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posted June 21, 2003 08:56 PM
I run Magnesium Marchesini race wheels on the street on my 12. No problems. I do take care of them, I don't allow rock chips to go un-noticed . I touch up the paint in these spots. Doesn't happen often by when it does I take care of it. I don't off road it and I am aware of pot holes etc. I must say that many of my friends and others I know seem to bend and or break their stock rims hit holes etc. I pay attention and adjust my line.
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To those who do not count their life in years, but in how life
has touched them in the past and how much it can hold in the
future; -- Youth is forever.
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flite leader
Zone Head
Posts: 651
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posted June 22, 2003 01:46 AM
 Edited By: flite leader on 22 Jun 2003 02:48
i have 3 bikes with magnesium wheels
campagnolos (1) & marchesinis...(2)
so far no problems
they are not there for the pimp factor
they do make a difference in handling
its is noticable
techno makes a good wheel
i considered getting mags for my Z
settled on R C Comps for street use
if i hd gotten a set of Mags...... MARVICS would have gotten the nod
the Z weighs lots more than the other three bikes
it is also more brutish
i tend to ride it Harder..... the roads are crap
while i do ride the other 3 FAST !!!
i tend to finesse them more..... usually head for the Mountains
roads are better
id have to say.......YES !!
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bend your mind.....
or break your ass...!!
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EastBayDave
Needs a job
Posts: 2245
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posted June 22, 2003 05:23 AM
my Dymags are "DOT" approved...
I know folks w/old bikes (70's superbikes) that have been street riding mags (Morris, Dymag's, etc.) for 25 years without problems.
Sure, I know all the limitations of magnesium, but I've yet to see a mag "problem" in all my decades of riding/racing....
go for it!
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Enjoy the ride!
02' ZRX1200
00' ZX12R sold
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ra12r
Zone Head
Posts: 919
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posted June 22, 2003 07:31 AM
I have dymags and they are great, just when you get a new tire the metal is VERY soft and gets nicks.
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All must bow to the "Ra Supremecy"...
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swft
Needs a life
Full throttle!
Posts: One MEEEEEELLION
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posted June 22, 2003 07:38 AM
I've put thousands of miles on my Marchesinis, no probs!
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EastBayDave
Needs a job
Posts: 2245
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posted June 22, 2003 11:10 AM
Edited By: EastBayDave on 22 Jun 2003 12:11
quote:
I have dymags and they are great, just when you get a new tire the metal is VERY soft and gets nicks.
THAT will be your biggest problem; finding someone you trust to change your tires. I have only one (out of dozens) of bike shops in the area that warranty their work. They told me if they tweak/bend a rim, they will replace it under their insurance. Cool eh'?
The one time I took it someplace else I got a scratch in the disk carrier (luckily not the wheel) from some snot-nosed kid. That was the last time my wheels go there.
Oh, one other thing- my Dymag's have been on almost since I bought the bike new in May 00' & 6K miles. No problems at all excepting one minor warranty issue, that was quickly taken care of (some of you may remember the hub problem I had that prompted a re-design of the ZX12R hub/sprocket carrier?)
They cast me a new one in under 3 weeks. I can't ask for much more from a manufacturer than that... 
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Enjoy the ride!
02' ZRX1200
00' ZX12R sold
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oldkawboy
Needs a job
Posts: 2125
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posted June 22, 2003 04:15 PM
I remember buying a set of Dymags for my KZ1000 twenty years ago. They stated that they were not suitable for the street but so far they are holding up well.
Back then going to a "wide" 3 inch wheel on the rear was awesome. The fat 130 tire looks kinda anemic today for sure.
Dan
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koz
Expert Class
Posts: 304
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posted June 22, 2003 10:50 PM
Had Dymag racing wheels for 3 years, best performance money I spent on the 12. Everything is enhanced, suspension, brakes, flickability, handling, etc.. Dymags are die-casted, all the others are sand-casted. Dymags are less porous, and about 20 percent stronger, that's why they are DOT approved. Also, the mass of the wheel is centralized near the axle which greatly reduces the gyroscopic effect, and powder coated for EASY cleaning!
Koz
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VincentHill
Needs a life
Posts: 6520
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posted June 23, 2003 07:10 AM
I had Morris Mags and I would not even attempt to hit one pot hole with them. I coated the insides with Epoxy white paint and was careful on the outside and they started the corrosion around the Valve stem area! They are "Extremely" Brittle (Sand Casting)!
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Kirk
Novice Class
Posts: 31
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posted June 23, 2003 11:28 AM
I run Marvic Penta II Magnesium racing wheels on my street-legal Hayabusa. As far as magnesium wheels go, they are probably the strongest. That's not really saying much. I think all aftermarket wheels are weaker that OEM wheels, and OEM wheels are easy enough to bend if you have crappy roads. I guess that's one reason why I haven't put as many miles on since the wheels.
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harryzx-12
Needs a job
Posts: 3643
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posted June 23, 2003 12:40 PM
Marvic Penta II wheels are the ones I would really like to have. Magnesium
is a great light alloy but as "Z" has already addressed corrosion is a problem on bare spots.
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"Life should NOT be a journey to the grave with the intention of arriving safely in an attractive and well preserved body, but rather to skid in sideways- Body thoroughly used up, totally worn out...Screaming "WOO HOO, What a Ride !!!"
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