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PostPosted: Sat Nov 20, 2010 1:24 pm 
retrobike rider
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Joined: Sun Dec 02, 2007 6:35 pm
Posts: 5802
Location: Dunkeswell, Nr Honiton, Devon
Just a little mod to my STS, noticed where the front mech cable came out, it had cut a groove into the surroundings, so had a flexible v-brake noodle, so cut it down and then fitted it through the hole (drilled out the hole from 4mm to 4.5mm), am going to run full gear and brake outers through the frame.


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PostPosted: Thu Nov 25, 2010 7:32 pm 
PoTM Winner
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Joined: Sat Jan 19, 2008 6:26 pm
Posts: 997
Location: where other make holiday
here tha new member of my gt family.......................



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and this one maybe too.................after chrismas
near mint

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PostPosted: Sun Nov 28, 2010 6:23 am 
Dirt Disciple

Joined: Sun Nov 28, 2010 6:09 am
Posts: 14
Hopefully you guys can help..

just got a 1996 GT STS, that i am just making perfect before i start riding it.
Has some model Risse Racing rear shock. (presume a gensis from googling)



basically wondering about the bolt that goes through the bottom of it.
Image

At the moment it is just a steel bolt with washers each side.
And no 'Spacer bushings'

Image

Just wondering:
Do 98 and 96 model STS need the same bolt length (65mm)?
Does it need the washers?
What is the original bolt made out of (Alloy, Steel, Stainless?)
Wouldnt there be movement in this area and therefor wear away with out some bearings???
Do the risse racing dampers not require the original 'Spacer Bushings'?


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 Post subject:
PostPosted: Sun Nov 28, 2010 9:23 am 
retrobike rider
retrobike rider
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Joined: Sun Dec 02, 2007 6:35 pm
Posts: 5802
Location: Dunkeswell, Nr Honiton, Devon
Dxs wrote:
Hopefully you guys can help..

just got a 1996 GT STS, that i am just making perfect before i start riding it.
Has some model Risse Racing rear shock. (presume a gensis from googling)



basically wondering about the bolt that goes through the bottom of it.
Image

At the moment it is just a steel bolt with washers each side.
And no 'Spacer bushings'

Image

Just wondering:
Do 98 and 96 model STS need the same bolt length (65mm)?
Does it need the washers?
What is the original bolt made out of (Alloy, Steel, Stainless?)
Wouldnt there be movement in this area and therefor wear away with out some bearings???
Do the risse racing dampers not require the original 'Spacer Bushings'?


I had simlar problem when i need to source the lower mounting kit, I used a 70mm steel allen bolt, with a nylock nut, and steel washers, i cant see in the original setup that washers were used, but i thought it was be better to use them than without, you do not need ot tighten the nut up, as it nylock, and should not come loose, so you can leave movment built in still

I dont know about the risse stuff


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 Post subject:
PostPosted: Sun Nov 28, 2010 1:04 pm 
Dirt Disciple

Joined: Sun Nov 28, 2010 6:09 am
Posts: 14
cheers

well it seems as though there is some movable 'spacer bushing' on the bottom of the damper already.

And i am gonna order a bunch of stainless bolts for the calipers etc anyway, so thought i would get a new bolt.. manual says 65mm, so i might order that.. and run it with no washers like original


anyone elses thoughts?
is alloy possible (might wear the frame less, but have less strength)?


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 Post subject:
PostPosted: Tue Nov 30, 2010 7:43 am 
Dirt Disciple

Joined: Sun Nov 28, 2010 6:09 am
Posts: 14
mattbrown wrote:
Just a little mod to my STS, noticed where the front mech cable came out, it had cut a groove into the surroundings, so had a flexible v-brake noodle, so cut it down and then fitted it through the hole (drilled out the hole from 4mm to 4.5mm), am going to run full gear and brake outers through the frame.


Nice mod matt..

Looking at mine, it just has some rubber outter, and the angle of the cable to the frame is pretty aggressive.. i am concerned about the cable cutting though. Might look into a similar mod to this.


I ordered a new stainless bolt for the bottom of the shock too.. and some alloy washers.


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 Post subject:
PostPosted: Tue Dec 07, 2010 10:27 am 
Dirt Disciple

Joined: Sun Nov 28, 2010 6:09 am
Posts: 14
Did some minor work to the bike (still havent ridden it).

One thing was copy matt's idea.. so i have a 'vbrake noodle' for the front derailer now.

Image

Trying to work out what year my frame is too..
Previous owner said it was a 96.. But it has a trunnion mount for the shock..

Anyone know what info the serial numbers can give?



Also rounded the top bolt for the bushing when torquing it down.. >:(
Hopefully generic countersunk bolts work..


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 Post subject:
PostPosted: Tue Dec 07, 2010 10:31 am 
Dirt Disciple

Joined: Mon Sep 20, 2010 11:24 pm
Posts: 22
www.mountainbikecomponents.co.uk should be able to sort you out with correct nuts and bolts and things.


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 Post subject:
PostPosted: Tue Dec 07, 2010 11:18 am 
Dirt Disciple

Joined: Sun Nov 28, 2010 6:09 am
Posts: 14
they only have roller bearing upgrade kits for 40USD + post
There is a place in the US that sells original parts too.


My bearings arent too bad.. just need the bolt.. will see if i can source it.



The manual says its a M8 bolt too.. then calls the nut 6mm.. bla, if they screw the sizes up, can i trust the torque values they state too :/



gonna get a tube spanner to get the nut undone, seeming as though in rounded the bolt


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 Post subject:
PostPosted: Tue Dec 07, 2010 11:52 am 
Dirt Disciple

Joined: Mon Sep 20, 2010 11:24 pm
Posts: 22
What i ment was they can probably help you find what you need. They are a machine shop, they know the bike in question, and can tell you what to look for, if they cant directly sell you what you need. Good luck regardless.


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