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| | |-+  Hope Pro 2 and Maxle Seizure!
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Author Topic: Hope Pro 2 and Maxle Seizure!  (Read 703 times)
Chucky!
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Re: Hope Pro 2 and Maxle Seizure!
« Reply #15 on: August 19, 2008, 11:04:18 AM »

Slightly off topic but is it not advised to use lithium complex grease? (the red stuff)

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Re: Hope Pro 2 and Maxle Seizure!
« Reply #16 on: August 19, 2008, 12:40:26 PM »

I've had a Maxle seize in a Draco. Its nothing to do with Pro2s specifically, its do do with lack of lubrication (I use engine oil, chain lube will work fine, you could use grease, I wouldn't use copper grease myself) and getting things wet and dirty. Look after your bike better if you don't want it to happen.

see tim, was just a coincidence about pro 2's.
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Re: Hope Pro 2 and Maxle Seizure!
« Reply #17 on: August 19, 2008, 18:18:26 PM »

i would use the copper grease its great at stopping things seizing, I also put it on the back of disc brake pads to stop squeal,as it has a high temp melting point.( Mechanics use it on car and motorbike pads aswell) be careful not to get any on your pads though.
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Re: Hope Pro 2 and Maxle Seizure!
« Reply #18 on: August 20, 2008, 09:37:47 AM »

i would use the copper grease its great at stopping things seizing, I also put it on the back of disc brake pads to stop squeal,as it has a high temp melting point.( Mechanics use it on car and motorbike pads aswell) be careful not to get any on your pads though.
You really dont want to put it on the back of your pads. Speak to hope about it... basically it will melt and it will then mess up your seals and contaminate your pads.
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Re: Hope Pro 2 and Maxle Seizure!
« Reply #19 on: August 20, 2008, 17:37:23 PM »

you can put on the back of your pads it wont melt as i use it on my motorbike and the brakes get a lot hotter than any mountain bike pads ever would, ask any car or bike mechanic.
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Re: Hope Pro 2 and Maxle Seizure!
« Reply #20 on: August 20, 2008, 18:48:09 PM »

Yeah he's right, its very commonly used on the back of car/bike brakes.  Fantastic stuff.

From their website:

Quote
What it is

If you couldn't get it apart, you probably should have used Copaslip when you put it together.

Molyslip Copaslip is an anti-seize compound consisting of finely divided copper and lead macro particles in a non-melt bentone base to which are added highly effective oxidation and corrosion inhibitors.


Why is this important?

Copaslip won't soften or harden under extreme operating conditions. (operating range up to 2000 ºF (1100 ºC).

Prevents metal-to-metal contact under all likely conditions so there is no danger of galling or metal pickup even under extreme pressures.

Highly effective corrosion inhibitors provide permanent protection against rusting & corrosion.


Where to use Copaslip

In high temperature areas: Copaslip's high temperature anti-seize properties save valuable man hours in dismantling retorts, boiler covers, valves and furnace parts, exhaust manifolds, etc.


In areas of extreme pressure: Use it on tool joints, drill collars, precision threads, pipelines and valves. Copaslip permits easy break-out of threaded connections even after prolonged exposure to extreme pressure, temperature and corrossion.


At points of high friction: Copaslip protects where conventional lubricants break down such as drawing and forming metals; lathe centres and slides; wire ropes and chains, (particularly In very arduous conditions).


In any assembly process: Copaslip reduces nut driving torque requirements compared to oil or grease In addition to greatly increasing the ease of dismantling. Use as a lubricant behind disc brake pads to reduce squeal, on pivot points and adjusters; on manifold, muffler and pipe bolts and connections; spark plug threads and cylinder head bolts.

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Re: Hope Pro 2 and Maxle Seizure!
« Reply #21 on: August 21, 2008, 11:48:35 AM »

Well, speak to Hope. They say not to use it. I've done it before and I f**ked my seals. Motorbikes and Cars are different beasts - you will not car and motorcycle disk cleaner has oil in it to stop your disks rusting, but you wouldnt use that on yoru push bike (I hope!).
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Re: Hope Pro 2 and Maxle Seizure!
« Reply #22 on: August 21, 2008, 12:17:16 PM »

I've had a Maxle seize in a Draco. Its nothing to do with Pro2s specifically, its do do with lack of lubrication (I use engine oil, chain lube will work fine, you could use grease, I wouldn't use copper grease myself) and getting things wet and dirty. Look after your bike better if you don't want it to happen.


Well i have taken it all out, it wasnt as had this time but still required a rubber mallet.
And I cleaned everything, the maxle, all inside the hub.
And then rubbed blue grease all over the maxle, and a tiny bit inside the hub, and put it back in hoping that would be the end of it.
But no, it got stuck again! Still not as badly as the very frst time, but still requiring of a few taps of a mallet.
After talking to a friend who seems to know his stuff, he said that it could be the inside of the cones cathing or something physical in the hub. not just the fact it was dry.

Any ideas?
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Are all Pro 2s made badly or is it just me?
I am thoroughly annoyed by the whole thing.

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Re: Hope Pro 2 and Maxle Seizure!
« Reply #23 on: August 21, 2008, 12:19:01 PM »

are there two rusty marks on the maxle? where the bearings have corroded onto the maxle? lightly sand the maxle if there are
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Re: Hope Pro 2 and Maxle Seizure!
« Reply #24 on: August 21, 2008, 12:25:22 PM »

Perhaps replace the bearings too. If they have rusted also, they will have expanded (rust is thicker than steel).
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Re: Hope Pro 2 and Maxle Seizure!
« Reply #25 on: August 21, 2008, 15:43:33 PM »

my maxle DH got stuck in my formula hub today and wouldn't come out without 'gentle' persuasion.  Angry safe to say i've greased it up now.
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Re: Hope Pro 2 and Maxle Seizure!
« Reply #26 on: August 21, 2008, 15:47:19 PM »

tim it seems i had the exact same problem as you with my pro2, in the end i had to tw*t the axle out with a bot of wood and a hammer, my new bearings for me pro2 arrived this morning, cost me about 4 quid for 2 6804 bearings off rbay, which i hope are the right ones.
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Re: Hope Pro 2 and Maxle Seizure!
« Reply #27 on: August 21, 2008, 15:58:36 PM »

Quote
Hope Pro 2 and Maxle Seizure!

take all the insides out so just the axle is in the forks (it may just be maxle dh's ) but there should be a 10mm axle slot. You should be able to get more leverage with a 10mm allen key
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Re: Hope Pro 2 and Maxle Seizure!
« Reply #28 on: August 21, 2008, 16:39:13 PM »

Quote
Hope Pro 2 and Maxle Seizure!

take all the insides out so just the axle is in the forks (it may just be maxle dh's ) but there should be a 10mm axle slot. You should be able to get more leverage with a 10mm allen key

unscrewing it was fine for me, just when it was unscrewed, the bugger wouldn't come out
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Re: Hope Pro 2 and Maxle Seizure!
« Reply #29 on: August 22, 2008, 00:02:07 AM »

steel and aluminium have different levels or reactivity, as does the lithium in your lithium grease. when metals are in contact they react with each other, more so when there is a electrolyte like water between them when there will also be a flow of electrons produced. this process is known as bi-metallic corrosion.

when steel and alu are in contact they suffer from this quite badly over time. (ever tryed to get an old alu seat post out of a steel frame?) lithium grease rapidly speeds up this process. NEVER use lithium grease for anything that is steel to ali, or in fact between dissimilar metals that are less reactive than lithium.

point of that is throw you lithium grease out as its virtually useless for a mountain bike and go get some proper stuff.

oh and copper slip should be fine to put on you maxle to stop of seizing to the steel bearings of the hub, alternatively leave your bike with the front wheel off.
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