2005 Marzocchi Z1 series, additional info.

binary visions · Dec 2, 2004

Aren't the Z1FR2 and Z1FR3 SSVF damped instead of HSCV?

In the past, the only damper that's been "convertible" is the SSV(F) damper...

binary visions · Dec 2, 2004

math2014 said:
Z1FR2 is HSCV

Marz. has said in the past that you cannot convert their HSCV damped forks. I wonder if they made some kind of change to the internals that now allow them to be convertible?

Interesting...

Jorgen · Dec 2, 2004

yehwell, My Z1 FR1 will always run in 150mm alyways, and I use the ETA

binary visions · Dec 2, 2004

math2014 said:
888 has a devised HSCV as far as i know.

888 comes in 7 or 8"
66 in 6 or 7"

So i would guess that its the same with the Z1... i dont know if that is accurate to be honest...

All of that is correct, but in order to convert the 888 or the 66 (or previous HSCV damped forks), you need new cartridges - both of them. To the tune of $300, if I recall correctly.

They're saying that the Z1FR2 is convertible with a spacer, which was previously only able to be done on the SSVF forks.

Jm_ · Dec 2, 2004

math2014 said:
Sorry if this is old news for anyone but,

Despite what is written on marzocchi's website wrt to Z1 series this year,

The Z1FR2 and Z1FR3 are convertable from 130mm to 150mm by repositioning a spacer inside the fork. That is directly from Marzocchi UK.

I was puzzled by the 130mm only FR2 and FR3 when i saw a 150mm Z1FR3 on mtbr. So good news for the non-ETA lovers out there.

BTW, the Z1FR1 because of the ETA is not convertable down to 130mm, it is only 150mm.

... FR2 here i come!!!!!

Yeah, that sound suspicious. The FR2 has an HSCV damper, which should not be "travel convertable". The FR3 should be because it's SSV.

Well, buy one and let us know!

Bikael Molton · Dec 2, 2004

Have other Marz forks been 1 leg HSCV, 1 leg SSVF?
Can someone comment on how that will perform compared to dual HSCV?

thanks!

-rob in NY

DÃR · Dec 2, 2004

*Speculation* The SSV side of the Z1 2 is what makes it adjustable height-wise. You basically add a negative travel spacer to it, which cuts the height down. The HSCV cart doesn't care where it is.

This is from somebody who has never even seen one of these forks, but if I were to do it, that's how I'd do it.

BMXman · Dec 2, 2004

maybe Brain P can chime in. I just got off the phone with him and he told me a Z1 is not adjustable down...and they are all out of Z1 II and Shiver SC so I ordered a Z1 anyway and we'll see how it goes. I'm trying to get a good slalom fork from Marzocchi but everything is 6 inches unless you get the SSV carts or a QR axle....neither of which I'm interested in...D

buildyourown · Dec 2, 2004

I don't get it. Why can't you just change the springs like you could on the old Z3s and Z1s? Remember, they came with 2 springs in each side. One that was only 1" long. By putting this spring on the other side of a spacer, you effectivly moved that 1" of travel from positive to negative.
Why does the cart care if it never uses it's top inch of travel?

DÃR · Dec 2, 2004

Because the new (post-y2000) carts don't have that "spacer". The negative spring is internal to the cartridge; so when the fork tops out, that's the cart. rod squeezing the neg. spring against the top of the cart, internally. Before, it was the cart. squeezing the neg. spring against the snap ring at the bottom of the stanchion tube.

I guess you could hack something together by clamping a ring to the top of the cartridge body, and putting a snap ring into a groove machined into the bottom of the stanchion tube, and putting a neg. spring between the two, but shy of that, there's no way to shorten the travel on the post-2000 HSCV carts. Unless you want to open up the cart and put in a longer neg. spring, but I don't think they're open-able.

Rik · Dec 2, 2004

Not having pulled one apart, but from reading descriptions, would the pistons position in the cartridge in relation to the openings in it be crucial to the performance? From a vague memory of a description, there's a shim at the top of the cart that controls the low-speed impacts, and moving the piston in to the cart would render this useless? I've got a very hazy idea in my head, if this doesn't make sense, tell me so.

buildyourown · Dec 3, 2004

ok, refresh me with a history lesson.
When did zokes introduce hsvc?
I thought ssvf was supposed to suck, but apparently both of my forks have it.

binary visions · Dec 3, 2004

buildyourown said:
ok, refresh me with a history lesson.
When did zokes introduce hsvc?
I thought ssvf was supposed to suck, but apparently both of my forks have it.

Not sure exactly when it was introduced but the 1998 Super Ts and Monster Ts both had it so it's been at least 6 years. I'd guess it's been longer than that.

buildyourown · Dec 3, 2004

binary visions said:
Not sure exactly when it was introduced but the 1998 Super Ts and Monster Ts both had it so it's been at least 6 years. I'd guess it's been longer than that.

So does my '00 Z1 have it?
This makes me want to go home and tear apart my fork to find out.

Rik · Dec 3, 2004

buildyourown said:
ok, refresh me with a history lesson.
When did zokes introduce hsvc?

They've always had it, it just changed names for 2002... confusing eh.

leprechaun · Dec 3, 2004

OK i'm an expert of sorts on marz-
1 -if you have a screw on the top of the fork to adjust the rebound speed then it is the GOOD hscv.
2 -If you want to use a fork for slalom you could get a Z1 fr3 and 1st,shorten the travel on one leg with a spacer,then 2 get a HSCV damper out of a Z1 fr1 (so you have good damping).If you allready have a Z1 fr1 you should be able to remove the eta and get a ssv assembly and shorten the travel of that to your desired travel.Oh and get stiff,short springs.
3 -The HSCV damper doesn't care where it is cuz the super cool speed sensitive shim is in the BOTTOM of the fork,not the top.
4-hscv came out way back in 96 when the first 'Bomber' came out,the orange 100mm Z1
cool?
Krispy.

leprechaun · Dec 3, 2004

the z1 fr2 could/should be able to be adjusted to 130 from 150,yes.
Removing the eta is necessary to be able to install the ssv guts with the snapring and a spacer to reduce the travel.

BMXman · Dec 4, 2004

Hmm maybe I'll just send my fork to Krispy

....D

leprechaun said:
OK i'm an expert of sorts on marz-
1 -if you have a screw on the top of the fork to adjust the rebound speed then it is the GOOD hscv.
2 -If you want to use a fork for slalom you could get a Z1 fr3 and 1st,shorten the travel on one leg with a spacer,then 2 get a HSCV damper out of a Z1 fr1 (so you have good damping).If you allready have a Z1 fr1 you should be able to remove the eta and get a ssv assembly and shorten the travel of that to your desired travel.Oh and get stiff,short springs.
3 -The HSCV damper doesn't care where it is cuz the super cool speed sensitive shim is in the BOTTOM of the fork,not the top.
4-hscv came out way back in 96 when the first 'Bomber' came out,the orange 100mm Z1
cool?
Krispy.

thaflyinfatman · Dec 4, 2004

You cannot change the travel on anything except rootbeer bullits and even then only when you have no shock in it except a bar of wood which kinda compresses but is also kind of oversprung.

bob · Dec 6, 2004

The 66RC is convertible from 150mm to 170mm, and from 170mm to 150mm.

You would have to move a spacer and turn the spring holder upside down.
This requires total disassembly of the fork.

Both the Z1 Fr 2 and Z1 Fr3 have "external" rebound springs.
The rebound spring is on the outside of the cartridge.

So you do not need to buy new cartridges to change travel.

On the Z1 Fr1 the rebound spring is on the outside of the rebound cartridge, but on the inside of the eta cartridge.
Next year it looks like it will be possible to open the eta cartridge, so technically it might be possible to change the travel.
But you would have to realy know what you are doing and have the right tools.

bob · Dec 6, 2004

You remove the spacer from under the rebound spring, and place it on top of the normal spring.

On the 66 its a bit more complicated, you need to turn a spring holder upside down, and also move a spacer.

If you are not sure, get help from a shop or someone who know how to do this.

I work for the Norwegian Marzocchi distributor, thats why I know this.

2005 Marzocchi Z1 series, additional info.

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