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PostPosted: Thu Jun 30, 2011 6:52 pm 
Old School Hero

Joined: Fri Oct 31, 2008 2:38 pm
Posts: 163
I have the pleasure of completing a rebuild of a koga miyata. Not sure what model the frame is, but hey this going to be fun to rebuild.

Sorry but not completing a full retro rebuild, but you have fun in rebuilding a bike that will last a lifetime.

The frame has been taken to Bob Jacksons and have been completing a number or changes to make the bike workable as a full touring bike.
The frame is 130oln, but take 27inch wheels, but will be kitted out with 700 wheels.

I will have some new weld points to take cantis and a full loaded front and rear rack.

I got the frame for 37 off ebay and will update the page as I complete the rebuild.


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koga rebuild.jpg
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koga 2.jpg
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Last edited by stuartg on Thu Jun 30, 2011 10:31 pm, edited 2 times in total.
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PostPosted: Thu Jun 30, 2011 9:36 pm 
Concours Judge
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Joined: Wed Jul 06, 2005 3:59 pm
Posts: 8171
Location: a proper EU country
That sounds like quite a project, with the brazing on of canti bosses and so on. You will have to respray it afterwards. Any idea of colour/finishing already?

On Koga's website you will find all catalogues from 1976 on, so I think you should be able to verify what model you have overthere.


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PostPosted: Thu Jun 30, 2011 9:48 pm 
Old School Hero

Joined: Fri Oct 31, 2008 2:38 pm
Posts: 163
Thanks had a look at the website and cant find the archive brochures??

Yes, it will be a big project, the frame will be sprayed a similar colour, although I am losing the Koga transfers. It has a KM stamp on the forks so that is ok.

I am not going to stay loyal to a retro build, I have enough of those. More about building a bike that is pratical that will be loved and will take us away on hols.

Just finished the trecking bars, only 4 weeks for the frame to be returned.


Last edited by stuartg on Fri Jul 01, 2011 7:24 am, edited 1 time in total.

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PostPosted: Thu Jun 30, 2011 9:57 pm 
Old School Hero

Joined: Fri Oct 31, 2008 2:38 pm
Posts: 163
found them - its a koga miyata roadrunner mixed


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PostPosted: Fri Jul 01, 2011 8:28 am 
Old School Hero

Joined: Fri Oct 31, 2008 2:38 pm
Posts: 163
Thought I would recap on the weld points that I have having put on:

- brakes on for a front a rear rack
- taking off the existing front brake-on, which would not take any weight
- cantilever points for the front and rear
- seat stay bridge for the cantilever cabling
- I was thinking of putting down tube braze-ons, but have followed the advice of Jackson's and having them placed on the head-tube - this appears to be their favoured position
- the chain stay - I am removing the existing cable stop, which is the top and then having on placed on the underneath

The frame will then be sprayed a mealtice burgundy/red. Unfortunately the crome has to go. I found at the whole for was chromed, but only the bottom 3rd showing. Having looked at the price of rechroming, as the bottom 3rd is in poor condition, I have decided it is uneconomical.


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PostPosted: Mon Jul 04, 2011 9:36 am 
Old School Hero

Joined: Fri Oct 31, 2008 2:38 pm
Posts: 163
starting to get the gear for the bike, first a saddlebag:


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PostPosted: Tue Jul 05, 2011 9:03 pm 
Old School Hero

Joined: Fri Oct 31, 2008 2:38 pm
Posts: 163
Now finished the trecking bars, with brooks tape and 7 speed bar ends and adapter. Found a nice brooks handle bar bag that is age(ish) appropriate.

The seat post is original 26.2 and a nice books professional s.


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PostPosted: Thu Jul 21, 2011 7:10 pm 
Old School Hero

Joined: Fri Oct 31, 2008 2:38 pm
Posts: 163
The frame is back - yeeeehhhhh!


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PostPosted: Thu Jul 21, 2011 8:49 pm 
Concours Judge
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Joined: Wed Jul 06, 2005 3:59 pm
Posts: 8171
Location: a proper EU country
Yeaahh! Okay, now pics.


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PostPosted: Thu Jul 21, 2011 8:50 pm 
Old School Hero

Joined: Fri Oct 31, 2008 2:38 pm
Posts: 163
cant get them loaded up- aagghhhh!


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