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Originally Posted by MGFChapin View Post
That was real-world knowledge smacking into theory!
Good stuff. Thanks!
Originally Posted by jscottyk View Post
Excellent comments and advice. I failed to note, Iím running AP triples and linear link.
Iíll start logging changes to my swingarm length and the resulting changes to handling. This seems to be one area of chassis setup that I havenít seen a lot of discussion about here.
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Originally Posted by jscottyk View Post
I dont have the numbers written down as it was done on a rig at a shop. Dont compare eslicks bike to ours, they were not running stock triples. If you are running triples with better numbers then you have the flexibility to move the rear around as you please. I run a stock class bike so I can only adjust what I have, moving the rear backwards stabilizes the bike by making it longer. I run 16/48 personally, that seems to fit really well at all the tracks I run on the east coast. With stock triples, making the bike longer does require a bit more muscle to get it to go through a chicane but overall I find the bike is easier to ride fast as it just feels more stable. As a stock class bike, I dont find the front lifting in an uncontrolled fashion. If I do need to bring it down I drag the rear brake a touch and thats all it needs. When you really start poking the engine with a stick I could see that mattering a bit more. For even more context I launch the bike at 8k, with a fast but smooth release the front will lift a few inches and hold until I get to the top of 2nd gear and Im usually always getting one of the best starts on the grid.
I dont change geometry between tracks, im not fast enough for that. I do have different baselines for settings however. I stick to what works for me and leave it, as im no where near fast enough for these differences to matter as long as I have a bike im 100% confident on at this level its 100% the rider not the bike. There are dudes out there running clapped out shit boxes and winning on them. I've given this setup advice to a few riders now and they all come back with the same statements on how it rides. If you can run the AP adjustable triples then you can go in an entirely different direction that will 100% be better.
what is the swingarm length you are aiming for?
I was looking at Attack Peformance setup numbers for Danny Eslick's bike and noticed they were running the rear wheel forward in the adjustment range. I assumed they were doing this (along with particular counter sprocket and final gear) to get a swing arm angle that best promotes wheelie control.
IIRC, that setup (for a track like Laguna Seca) was swingarm length of 582mm and gearing of 14/44 and a 114 link chain.
Forgot my rear axle and front tire picture
The front has four track days on it
The chain also needs to be tightened up seeing how that was the virgin voyage and two track days of pure trashing.
I watched videos of my riding on Sunday my second day there. What a difference in confidence over wheelie hill there.
Before she would wheelie over and then again soon after I would tach out and switch to fourth.
After totally stable no twitchiness and less to worry about. Pure love.
I need ride height to carve a better turn in and out.
I’m saying this only to bring her to perfection.
What you were saying about the K-Tech front and rear is making me drool.
Just a few pictures of my rear tire
This is with 12 out from full clockwise +
17 out full clockwise +
Originally Posted by UK_Race_Support View Post
I completely removed the ride height spacers. So the shock height has as low as it can be.
The forks are 3mm from flush.
The shock was serviced in April. It has about 500 track miles on it about 7 track days.
Same for the forks.
Turn in is slower especially when I’m not at my typical pace .
I’m an ex LRRS Expert and was a top rider when I did race a lifetime ago. I’m slower now but can be fast usually top 5 fast guys on any given track day . I’m saying this only as a pace baseline.
I was having confidence issues in the front end mid corner on bumpy sections where the tarmac was torn from cars.
Aside from the sipes slightly wearing high on the leading edge my tires were night and day compared to the last two times out.
Your help was very informative and I really appreciate the help.
I’m going do a refresh on the shock and forks hopefully before winter.
I’m hoping that will help the tire wear.
The triple tree is not really needed but more for raising the rear up and more front end feel mid corner.
I tuck the front when I get the pace up to a “race pace” . I have yet to fall because I save it with my knee.
The faster I go the better the handles but the front limits my pace. I fall into a trap when I’m on . She only handles well when I push her and the front makes me nervous.
The whole package was a tad slower turning in and out but I could overcome that with riding her on a slightly earlier turn in line with more run out space.
I will say over the hill it was much more stable. No hint of wheeling or nervous front lifting. That’s the biggest positive about this setup.
Originally Posted by ShaLaMae View Post
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