Gyro Install and headset question  RSS Feed

#1 2012-11-04 9:49pm

corollagts
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Gyro Install and headset question

Can anyone suggest a gyro friendly headset? Something new for this?

What's on it now barely gives any threads for the top nut.

Yes, its pressed in tight.  I just think its the headset.  Is there a new lower profile one?

I also realize the chrome gyro part is upside down.  I am just worried about threads.

Thanks, appreciated.
Rob

http://i1208.photobucket.com/albums/cc379/americarob/Gyro%20help/IMG_7169.jpg
http://i1208.photobucket.com/albums/cc379/americarob/Gyro%20help/IMG_7170.jpg
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#2 2012-11-04 11:18pm

80sBmxAddict
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Re: Gyro Install and headset question

He is running a YST Headset shown....


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#3 2012-11-04 11:24pm

XJguy
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Re: Gyro Install and headset question

Supposed to omit the washer.


WTB Bully stem.
WTB Peregrine Super Pros, not pitted.
WTB Kuwahara freestyle stem engraved.
WTB Pro-Neck axle extenders, pegs

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#4 2012-11-05 4:42am

SARON81
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Re: Gyro Install and headset question

Yep.
Take that washer out of there (it's not used with a Gyro) and you should be good to go.

Last edited by SARON81 (2012-11-05 4:43am)

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#5 2012-11-05 8:06am

Brad4130
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Re: Gyro Install and headset question

The rotator bearing is upside down .


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#6 2012-11-05 8:10am

bblizard
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Re: Gyro Install and headset question

big_smile


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#7 2012-11-05 8:27am

corollagts
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Re: Gyro Install and headset question

Even without the washer there is still not alot of thread.

Yes, im my original post I posted I know the rotor bearing is upside down. It's a test fit

Any one?


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#8 2012-11-05 8:34am

XJguy
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Re: Gyro Install and headset question

There will be less thread with any headset, there is no way around it.   It should be sufficient.


WTB Bully stem.
WTB Peregrine Super Pros, not pitted.
WTB Kuwahara freestyle stem engraved.
WTB Pro-Neck axle extenders, pegs

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#9 2012-11-05 8:38am

XJguy
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Re: Gyro Install and headset question

I shouldnt say there is no way around it.....there are ways but would require custom manufacturing, which I considered myself, but since I am not a professional rider and my bikes will not be ridden very hard and will b e maintained meticulously, it would be a waste.


WTB Bully stem.
WTB Peregrine Super Pros, not pitted.
WTB Kuwahara freestyle stem engraved.
WTB Pro-Neck axle extenders, pegs

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#10 2012-11-05 8:58am

Brad4130
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Re: Gyro Install and headset question

You could try a Tioga bear trap 2 I believe they have a lower " stack height " which is the total height measurement of the headset .
If you still have the YST box I believe it's printed on the outside .

As others have pointed out there are custom manufacturing options to squeez out a few extra mm .


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#11 2012-11-05 9:04am

corollagts
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Re: Gyro Install and headset question

I just wanted to know for sure that we are all in the same boat.  I have ordered an MX2 and will try it. The YST which is on it does not have measurements.

Anyone know if the steer tubes are longer say on a GT PFT that came factory with a gyro?

PS.  This bike factory should have come with a rotor.


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#12 2012-11-05 9:38am

karbri98
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Re: Gyro Install and headset question

Looks like you have a gap between the headset cup & the headset adjusting cone. Try turning it a few more times ( as long as the forks still spin smooth). Take out the washer cause the upper cable stop of the gyro will take its place.That should give you a little extra thread for the headset locknut.


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#13 2012-11-05 9:44am

XJguy
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Re: Gyro Install and headset question

Also make sure both bearing races are in the right way.  I see your top one is, but I cant tell if lower is.


WTB Bully stem.
WTB Peregrine Super Pros, not pitted.
WTB Kuwahara freestyle stem engraved.
WTB Pro-Neck axle extenders, pegs

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#14 2012-11-05 9:47am

polterdeal
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Re: Gyro Install and headset question

I had  the SAME problem installing a GYRO on my SE Quad FS. I eliminated the washer and I still only had about 3 threads to work with. It never broke on me, but I also wasn't thrashing hard on the bike. It seems the old 80's SE forks were a bit shorter thread-wise. I tried my standing gear forks on my Quad and a Redline... same issue with both.

But in the end, even with only 3 threads to work with, it worked and held.


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#15 2012-11-05 10:17am

Brad4130
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Re: Gyro Install and headset question

Oh yes
Make sure you have the beating in correctly
Bottom - balls up
Top - balls down

Double check this before tightening or you can re-form the bearing races .

Yes you could have a point as this bike was designed for a rotor then the steerer could be a MM or two short .
Omitting the lock washer is one trick .

Another it filing your upper lock nut flat to remove the non threaded end , so it starts on the threads this will help .

Good luck with the project .

Oh FYI - measuring steerer tubes from differnt bikes won't help as most early frames had varying Headtube lengths .
I would suggest facing the Headtube or crown race on the fork a bit but you already have everything painted so that's a no go .

Good luck


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#16 2012-11-05 3:03pm

corollagts
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Re: Gyro Install and headset question

Guys these are the answers I was looking for. 

I am going to try another headset and MX2.  It looks a bit flatter.

Washer will be removed and the gyro spinner will be right side up.  I will tighten and adjust as per instructions above.

Thanks guys.  I will post an update later this week.

Rob


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#17 2012-11-08 4:39pm

corollagts
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Re: Gyro Install and headset question

Update.  I pressed the bearing caps in more.  It's alot better and as good as it gets I guess.  Next time rotor!

Thanks guys for the info.


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