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 Post subject:
PostPosted: Wed Apr 21, 2010 7:47 pm 
Lincs AEC
Lincs AEC

Joined: Fri Sep 07, 2007 8:34 pm
Posts: 12314
Location: Branston, Lincoln
trickylad wrote:
excuse my idiocy - what's an ahead headset?

don't want to mess up the geometry

can you post a pic of your karakoram? would love to see it

can't wait to share the pics of the RTS from the shed now... :lol:


Here's my 1994 Karakoram (yes, it has a chain fitted now!). I've got a 1996 RTS-2 too, lovely bikes arent they :wink:

Basically, a standard headset is threaded and winds onto the fork steerer tube. Ahead has no threads, and the stem bolts onto the fork steerer. Ahead is more common now, but on here you'll be able to source both easily.

Image
Image


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 Post subject:
PostPosted: Wed Apr 21, 2010 10:20 pm 
Gold Trader / MacRetro rider
Gold Trader / MacRetro rider
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Joined: Sun Apr 02, 2006 1:03 pm
Posts: 11796
Location: Returning
Image

heres my karakoram with an aheadset


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 Post subject:
PostPosted: Wed Apr 21, 2010 10:52 pm 
retrobike rider / Gold Trader
retrobike rider / Gold Trader
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Joined: Tue Apr 20, 2010 11:29 pm
Posts: 1315
Location: South Buckinghamshire
[quote="mikee"]get in there raddik :lol:

yeah mag 21's or even some older pace forks
you should get a servicable pair for 50/60 quid

i prefer to leave the origonal paint in some of my builds ,thats what i'd with that ,were it mine

think your stuck with the U brake on the back but a V on the front would be a life saving upgrade perhaps ,it the rest of it works leave it alone and
enjoy the old/nice bike feel[/quote]

Thanks mikee. As a bit of a newbie how might i go about finding a set of mag 21s I wouldn't have a clue what i was buying or how to fix them up.


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 Post subject:
PostPosted: Wed Apr 21, 2010 11:01 pm 
retrobike rider / Gold Trader
retrobike rider / Gold Trader
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Joined: Tue Apr 20, 2010 11:29 pm
Posts: 1315
Location: South Buckinghamshire
Gents - they are sweet rides. never imagined others would love their karakoram's as much; well to be honest even more.

love the clean-ness of the frames - wish i hadn't gone a little OTT with the stickers..

understand now what ahead set is, in terms of the fix to the stem, but..

could i fit ahead set to the existing threaded forks?

is it a difficult thing to do without going to LBS?

riding home tonight i've noticed a weird sound coming from either the stem, the bars or the headset. quite odd and it's definitely becoming more pronounced. not a grinding. not a clicking, sort of a torsion twisting noise.

I think some updates are going to be needed

Can't decide whether to take on the RTS rebuild - heavy bike - also kept bottoming out at the rear which made it v difficult to ride.

Could i import some of the parts across to the karakoram? could save me some $$$$


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 Post subject: Time to share the RST
PostPosted: Wed Apr 21, 2010 11:39 pm 
retrobike rider / Gold Trader
retrobike rider / Gold Trader
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Joined: Tue Apr 20, 2010 11:29 pm
Posts: 1315
Location: South Buckinghamshire
rts


Attachments:
File comment: rear shock unit
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IMG_2293.JPG [ 87.47 KiB | Viewed 1618 times ]
File comment: forks
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IMG_2291.JPG [ 122.46 KiB | Viewed 1618 times ]
File comment: cherry red
IMG_2290.JPG
IMG_2290.JPG [ 110.32 KiB | Viewed 1618 times ]


Last edited by trickylad on Sat Jun 05, 2010 1:26 pm, edited 1 time in total.
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 Post subject:
PostPosted: Thu Apr 22, 2010 12:44 am 
retrobike rider / Gold Trader
retrobike rider / Gold Trader

Joined: Sat Jul 21, 2007 9:48 am
Posts: 6980
Location: Bristle
I Shouldnt think it'd be too hard to source a replacement stay, or complete rear triangle even, on here


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 Post subject:
PostPosted: Thu Apr 22, 2010 9:22 am 
Lincs AEC
Lincs AEC

Joined: Fri Sep 07, 2007 8:34 pm
Posts: 12314
Location: Branston, Lincoln
cce wrote:
I Shouldnt think it'd be too hard to source a replacement stay, or complete rear triangle even, on here


Indeed.

Browse the FS section or try a wanted advert.


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 Post subject:
PostPosted: Thu Apr 22, 2010 9:43 am 
retrobike rider / Gold Trader
retrobike rider / Gold Trader
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Joined: Tue Apr 20, 2010 11:29 pm
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Location: South Buckinghamshire
thanks for the help

have any thoughts on my other questions?

do i need to know what model RST i have before i find a replacement stay?

would really appreciate understanding how you approached your RST refurb.


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 Post subject:
PostPosted: Thu Apr 22, 2010 9:51 am 
retrobike rider / Gold Trader
retrobike rider / Gold Trader

Joined: Sat Jul 21, 2007 9:48 am
Posts: 6980
Location: Bristle
there were two types of rear triangle, early steel ones and later alu ones

yours appears to be an alu one


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 Post subject: update
PostPosted: Sat Apr 24, 2010 10:57 pm 
retrobike rider / Gold Trader
retrobike rider / Gold Trader
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Joined: Tue Apr 20, 2010 11:29 pm
Posts: 1315
Location: South Buckinghamshire
Thanks all for the suggestions

Am now on the lookout for a pair of mag 21s.

I've dumped the front cantilevers and the stiffner - replaced with some deore v brakes

The onza bar ends have gone and replaced with some no-name aluminium stubbies

The selle royale cast off saddle gone and replaced with a rather sweet flite saddle that i found in the dump bin in halfords (reduced price from £100 to £25 at the till!)

going to change the headset to ahead when i can work out how and I think a new stem is in order. The zoom one has seen better days.


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