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Old 08-11-10, 06:32 PM   #1
ilikebikes
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Need help with bicycle shock replacement

Can anyone here help? I need to replace the cheapo rubber nolleen shocks that those of you in the know....know melt away when they got hot. I've seen these rubber carappy shocks replaced with springs as the shock is the oil damping system (ODS) by Girven so the spring replacement works out perfectly and actually better than the orig rubber crappy shock. So waht I need to know is what size lenth and diameter spring do I need to replace both front and back? Its the same bike pictured below but its green.

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Old 08-11-10, 06:43 PM   #2
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I was looking at restoring a proflex a few years back and these guys carried some of the elastomer shocks. http://www.rapiddescentscotland.co.uk/

Other than maybe ask in the mechanics forum, I am out of ideas.
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Old 08-11-10, 06:47 PM   #3
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I found a Flea Bay post by these guys in which they mention the shock they are selling is the last of their stock. Heres the main page, thanks for trying dude. =0)

"We used to sell Proflex and K2 parts (1997 to 2010) but now are concentrating on local trails and actually getting out riding! This website continues to keep all the old documentation for our customers and now serves as a trail advocacy blog."
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Old 08-11-10, 08:13 PM   #4
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You gonna need a spring compressor and... oh wait... nevermind
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Old 08-11-10, 08:44 PM   #5
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Ruben? Kitchen table????

Geeze Maneeze.
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Old 08-11-10, 08:46 PM   #6
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Measure eye to eye and the length of the rubber piece.
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Old 08-11-10, 09:58 PM   #7
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I would have Ruben fix it.
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Old 08-11-10, 10:39 PM   #8
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flip it
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Old 08-11-10, 10:41 PM   #9
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flip it
Front or Back. It'd actually be pretty hard to flip that given the wheelbase.
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Old 08-11-10, 10:54 PM   #10
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flip it
Keepin' it, its the grand-daddy to my carbon K2 ProFlex. ;0)
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Old 08-11-10, 10:56 PM   #11
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Measure eye to eye and the length of the rubber piece.

No eye to eye, this bike has an unusual shock that bolts on from underneath, but the elastomer is three inches long if that helps. =0)
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Old 08-12-10, 12:13 AM   #12
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No eye to eye, this bike has an unusual shock that bolts on from underneath, but the elastomer is three inches long if that helps. =0)
Yeah, the bottom of the damper is cylindrical and fits into forks that go down to the swingarm. You can use regular dampers with an adapter:


http://i91.photobucket.com/albums/k3.../955_shock.jpg

Look up Risse Racing, I think they can provide the adapter. I'm not sure what kind of increased performance you're looking for, but if you're going to upgrade, might as well go for a damper with adjustments for the following:

1. spring-preload
2. low-velocity compression damping
3. high-velocity compression damping
4. knee-point for compression
5. low-velocity rebound damping
6. high-velocity rebound damping
7. knee-point for rebound
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Old 08-12-10, 07:39 AM   #13
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Danno, why do you know everything?

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Old 08-12-10, 07:57 AM   #14
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just weld it and turn it into a psuedo hardtail.
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Old 08-12-10, 04:59 PM   #15
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Danno, why do you know everything?

Sometimes I think the same thing.

Hey Danno...What is the air-speed velocity of an unladen swallow?
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Old 08-12-10, 05:39 PM   #16
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Quote:
Originally Posted by DannoXYZ View Post
Yeah, the bottom of the damper is cylindrical and fits into forks that go down to the swingarm. You can use regular dampers with an adapter:


http://i91.photobucket.com/albums/k3.../955_shock.jpg

Look up Risse Racing, I think they can provide the adapter. I'm not sure what kind of increased performance you're looking for, but if you're going to upgrade, might as well go for a damper with adjustments for the following:

1. spring-preload
2. low-velocity compression damping
3. high-velocity compression damping
4. knee-point for compression
5. low-velocity rebound damping
6. high-velocity rebound damping
7. knee-point for rebound

Thank you Danno, but I went with this instead, works really well and keeps the look of the orig shock 'cept for those pesky melting elastomers! LOL! I just measured the elastomer cups and the lenth of the space left by the elastomers and found a coil spring to fit it. Its the ODS system so it should be fine and dandy! ;0)


The bike


Melted elastomer all over the tire and wheel


Melted elastomer on the swing arm


New coil spring installed on the orig ODS shock. (my handy work!)


New coil again


Front shock with melted elastomer all over it and everything else! This is what the rear shock looked like!
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You see, their morals, their code...it's a bad joke, dropped at the first sign of trouble. They're only as good as the world allows them to be. I'll show you. When the chips are down, these...These "civilized" people...they'll eat each other. See, I'm not a monster. I'm just ahead of the curve

Last edited by ilikebikes; 08-12-10 at 05:45 PM.
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Old 08-12-10, 05:50 PM   #17
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This is really bad for someone with OCD to see.
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Please dont outsmart the censor. That is a very expensive censor and every time one of you guys outsmart it it makes someone at the home office feel bad. We dont wanna do that. So dont cleverly disguise bad words.
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Old 08-12-10, 05:56 PM   #18
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I wish I lived next door to you, I would put it on your porch with a note attached to it saying,"Siu, please take care of this bike! It desperately needs your help!" Then I'd ring your door bell and run! ;0)
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You see, their morals, their code...it's a bad joke, dropped at the first sign of trouble. They're only as good as the world allows them to be. I'll show you. When the chips are down, these...These "civilized" people...they'll eat each other. See, I'm not a monster. I'm just ahead of the curve
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Old 08-13-10, 12:05 PM   #19
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Danno, why do you know everything?

Heh, heh... I love tinkering with all things mechanical. When I was 4, my mum was quite dismayed that I had disassembled her grandfather clock (well, up to as far as I could reach). However, I ended up putting it all back together and it's still working today.
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Old 08-13-10, 12:22 PM   #20
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why would your mom care what you did to your great grandfather's clock? Seems like the old guy might have something to say about it though!
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