RST Mozo Comp's...UPDATE: taken apart and found this...

[LikeClockwork]

Only I've picked a set up on a bike and I just really like the look of them, they seem to work, after a fashion, as good as anything else anyway and they're red so would look good on the Kona....

 

[simonlovell99]

Re: RST Mozo Comp's....are they any good....??

I have had a few pairs, they are a good fork, easy to service. Undo top caps (5mm allen key to losen stantion) remove mcu/spring stack (could replace one stack with full length spring) take out rubber bit in the spring. I did the mod and made a difference. To remove lowers (5mm allen key) undo bolts and pull lowers. regrease seals and push rods. Job done

 

[LikeClockwork]

Re:

Bril, think even I could manage that!

What's the difference then between the 'Comp, and 'Pro', anything much??

 

[old_coyote_pedaller]

Re:

Might be some useful info here, it's been a while since I looked

http://www.rst-europe.com/manuals/main.htm

 

[drystonepaul]

Re:

I can't remember what the difference was between the Comp and Pro forks. I know that the Pro was available with either 3.5 or 4.5 inches of travel and was air damped. They are okay forks, if a little tall on the axle to crown measurement when compared with forks of a similar travel.

As simonlovell99 says, they do work significantly better with a full coil spring in one leg and the rubber spring centre removed in the other one.

Pull them apart, clean them up and slather on plenty of low viscosity fork grease like Pace RC7 or Stendtec Easy Glide, especially on the elastomers and on the bushes.

Maintenance guide here: --> http://www.rideandrepair.co.uk/maintena ... r_1999.jpg

 

[old_coyote_pedaller]

Re:

It's been a year or more since I last took apart the Mozo Pro's on my wife's bike so I'm wondering what you, Paul and Simon, mean by the rubber spring centre as my recollection and the pics recently viewed, that there's elastomers in legs. Don't remember any rubber bits.
I did rebuild them with info I found somewhere online that made them better, putting some oil in legs was one of the recommendations. Will try to find it again as I don't seem to have saved it. :facepalm:

 

[LikeClockwork]

Re:

Thanks for all the info guys, something to do on a free Sunday with a cider I think! I may have an old mag article somewhere that covers these, thinking about it....but the links are very helpful!

 

[drystonepaul]

Re: Re:

It's been a year or more since I last took apart the Mozo Pro's on my wife's bike so I'm wondering what you, Paul and Simon, mean by the rubber spring centre as my recollection and the pics recently viewed, that there's elastomers in legs. Don't remember any rubber bits.
I did rebuild them with info I found somewhere online that made them better, putting some oil in legs was one of the recommendations. Will try to find it again as I don't seem to have saved it. :facepalm:

There's and MCU stack with three elastomers (2 blue, 1 yellow) and a small coil spring the same length as one elastomer at the bottom of the stack.
Inside this is a smaller diameter rubber cylinder which presumably is there to stop the small spring bottoming out.
Removing it however allows this small spring seems to increase the forks sensitivity when soaking up smaller vibrations and bumps, while the elastomers take care of the bigger stuff.

It may well be that the coil spring has been removed completely and replaced with a fourth elastomer in some forks.

 

[old_coyote_pedaller]

Re:

Right, got you, don't think there was/is any coil springs in either of the 2 Mozo forks on my wife's and my daughter's bikes.
Mind you my memory of what it's like inside the forks is not reliable. Thanks.

 

[matt24777]

Re:

I think the main difference was travel.

in Mozo pros you should have 3 elastomers (2 different colours i think) and one coil spring with a rubber "spring/bump stop" sitting inside the spring. its shorter than the spring so theres always some purely spring travel. The are a lot more sensitive over small bumps if you remove the rubber bits.