I've never tried the adjustable fork offset on my '05. Does anyone have experience on how the handling is effected?
Triple Clamp Adjustment
- Thread starter jlburgess
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- adjustment clamp triple
you want the least amount of offset possible. I've got the 16/14mm's on my '10. I'm getting 4mm offset clamps made. this is so you can get the correct rake on the front end and keep ~100mm of trail which is where you get your stability
Joined Nov 2001
17K Posts | 773+
Ely, England
pedroFS said:
you're nuts pedro!
spanner has it.
to put it simply: 16mm makes it feel like an F1 steering wheel with the slightest touch of the bars throwing the wheels from under you and the bike needing constant correction, flicability is awesome.
the 18s need more input like your car wheel yet aren't at all twitchy and leave you relaxed.
regards
Taffy
Joined Jun 2007
4K Posts | 1K+
south east WA Australia
jgixxer1 said:
were they in the classifieds a while back?
they looked real fancy what can you adjust, offset or rake as well ?
Joined Jun 2007
4K Posts | 1K+
south east WA Australia
the RMZ450 has the most trail of the major MX bikes and it gets the lable of the best behaviour in the turns, I copied its trail for my new frame, to get that trail on the stock berg you would need 0 - 10mm offsets 8O
bike has just come off the computrac machine, the front end is 25mm too high, at 14mm on the clamps and a rake of 26.9deg (i think) I have a trail of 99.8mm with a 16.5" front wheel. To get down to 24-25deg rake I need to drop the front end 25mm, If I do that I will have no trail. the math machine says to achieve said rake/trail numbers I need 4mm clamps. I know that the race SMR's will run down to 2mm offset in the clamps. Also, I am shortening the swingarm by 20mm and then adding a ride height adjuster to get the down angle on the swingarm back to where it is.
I've seen the results to handling achieved by following some basic adjustments to these things and the difference is amazing.
basically the 570 rides like a chopper on the track, I've ridden lots of different race bikes in the last months and whilst the berg is good its far from perfect, the long rake makes it hard to ride in the dirt and the front wants to push as I can't get over the front end to get it turn, I jump on another bike and I can ride a lot faster and harder.
I'll let you know when it's finished..
I've seen the results to handling achieved by following some basic adjustments to these things and the difference is amazing.
basically the 570 rides like a chopper on the track, I've ridden lots of different race bikes in the last months and whilst the berg is good its far from perfect, the long rake makes it hard to ride in the dirt and the front wants to push as I can't get over the front end to get it turn, I jump on another bike and I can ride a lot faster and harder.
I'll let you know when it's finished..
Joined Jun 2007
4K Posts | 1K+
south east WA Australia
GMD is an absolute genuis, my favourite quote of his is "chain pull moment is at the centre of the motorcyle handling universe" I have an article describing how he designed a better swingarm and chain pull moment for a factory team, they rejected his design becasue it required the addition of a chain tensioner and they didn't like the added drag, privateer guys using the same bike were able to get better lap times than the factory team using GMDs setup
to have acces to one of his computrac machines sounds like fun :twisted: let us know how it goes
to have acces to one of his computrac machines sounds like fun :twisted: let us know how it goes
Joined Sep 2007
782 Posts | 291+
???
Interesting pedroFS,
Check out this link,
http://www.gotagteam.com/KTM_Days/Story ... _RC8R.html
Cheers spanner
Check out this link,
http://www.gotagteam.com/KTM_Days/Story ... _RC8R.html
Cheers spanner
Thanks for the link, that I hope will help me sort out my FE390. It used to belong to a way more talented racer who probably had much sharper reflexes, the bike is excellent except for what I would describe as a 'nervous' front end. My 501 is rock steady, I wondered if the LDC design was the issue/ benefit of the 390 but hopefully a tiny bit more trail will cure the comedy fold ups.
that is a good article, I can see that on a 200bhp fast track bike that is all relevant. However, for me(us), I already knew my front end is too high and wheelbase too long, I want to adjust my rake to make the bike turn faster and not push the front through the dirt, If I do this without adjusting triple clamp offset I will end up with no trail. There is other options, adjustable front axle positions etc + clamps is the best but very $$$.. dont' forget we are taking a frame that was designed for a very different job and patching it to make it go quick on tar and go sideways, a street bike was designed in a very different way and will be pretty close from stock.
We are getting clamps made up that will use stock stem and have adjustable inserts, 2 inserts will give you 4 settings, I'll be able to play with it.
computrac was also great for telling me that my rear wheel was 2deg out of line front to back as the swingarm isn't square. I now know how much offset in the slots I need to use when setting the axle to get the rear wheel straight in the bike. this will prob make the biggest difference to stability.
We are getting clamps made up that will use stock stem and have adjustable inserts, 2 inserts will give you 4 settings, I'll be able to play with it.
computrac was also great for telling me that my rear wheel was 2deg out of line front to back as the swingarm isn't square. I now know how much offset in the slots I need to use when setting the axle to get the rear wheel straight in the bike. this will prob make the biggest difference to stability.
Joined Nov 2001
17K Posts | 773+
Ely, England
spanner said:
I'm afraid yet again someone from over the pond has lost it. THE ******** HAS GOT HIS RESULTS THE WRONG WAY ROUND :cheers: :cheers: :cheers:
HIS HEADCASE AND STABLE ARE WRONG.
I'm still the daddy hey bushie! :twisted: :twisted: :twisted:
regards
Taffy
Joined Jun 2007
4K Posts | 1K+
south east WA Australia
Taffy said:
absolutley stoic in denial mate
and in the game of mummies and daddies you have chosen what seems like the part with all the perks
but as the new inmate found out the old lags reply is simply
:twisted: :lol: :lol: :lol:
being a pommy in ozzy i find it hard to take sides. I do like a bit o' banter tho. I suggest a race to settle this.
It's State of Origin tonight over here is Oz. If Taffy was here now, we could have dressed him in a Queensland Maroon Jersey, taken him to the game and thrown him out the middle of the field when the fight breaks out. Being dressed in a Queensland Maroon Jumper he would be sure to cope a good flogging. :lol:
We could all start chanting "Who's ya daddy now Taffy" :lol:
http://www.youtube.com/watch?v=dYBnHIIxd2c&NR=1
http://www.youtube.com/watch?v=z2HlTJT7 ... re=related
http://www.youtube.com/watch?v=nIaojMCxdLw&feature=fvst
We could all start chanting "Who's ya daddy now Taffy" :lol:
http://www.youtube.com/watch?v=dYBnHIIxd2c&NR=1
http://www.youtube.com/watch?v=z2HlTJT7 ... re=related
http://www.youtube.com/watch?v=nIaojMCxdLw&feature=fvst
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