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 Post subject: koga miyata ti-runner
PostPosted: Thu Nov 07, 2019 5:11 pm 
Old School Hero
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Joined: Thu Apr 02, 2015 7:12 pm
Posts: 188
my new project had just arrived, a bontrager or frame, and the very next day I find an offer I can't refuse... a koga miyata ti-runner in the right size.
I picked up the frame tuesday, stripped it wednesday and rebuild it today (I have a week off ;) )
The clearcoat was coming of everywere so I decided to strip the tubes. I made a little mistake here as I forgot that titanium is much harder than aluminium. Initially I wanted to high polish the tubes but the tubes were sanded pretty rough so I choose the easy route: a matt finish.
For the build I used one of my other, lower end, bikes as a donor. the only parts I reinstalled are the headset, frontmech, bottom bracket and seatpost.
The seatpost will be swapped for a use titanium.
I'm not sure yet about the crankset and might swap it for a sachs quarz.
The wheels are currently xtrm950 hubs/mavic x517 rims and these will be swapped for a set with white industries front hub and hugi rear hub. If you have a nos/vgc mavic x517 ceramic rim please let me know.
Last but not least the bike needs new decals and I might add some more blue anodized stuff.


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koga tirunner (5).jpg
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PostPosted: Fri Nov 08, 2019 8:20 pm 
Retro Guru
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Joined: Thu Jun 23, 2011 11:25 pm
Posts: 2230
Location: It's not easy being a dolphin.
Lovely. I have a Pathrunner, Cro-Mo / AL version. How did you strip the clearcoat off?


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PostPosted: Fri Nov 08, 2019 8:36 pm 
Retro Guru
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Joined: Wed May 05, 2010 2:32 pm
Posts: 2222
Location: 024, The Netherlands
Nice Koga you got there!
Are your work weeks usually equally productive ;) ?


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PostPosted: Sat Nov 09, 2019 10:04 am 
Old School Hero
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Joined: Thu Apr 02, 2015 7:12 pm
Posts: 188
Thank you both.
Yesterday I took the bike to a local Trail which is build on an old dump site. It's a pretty technical one with steep climbs, compound banking, fast descents and corners. It felt like this Koga inspired more confidence and is faster than my modernish 29er. (or maybe I just had a good day)

Woz wrote:
How did you strip the clearcoat off?

Honestly I have no idea how it's called or how to describe it.
I used some sort of disc from a local hardwarestore that attached to a drill.


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PostPosted: Sat Nov 09, 2019 10:05 am 
Old School Hero
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Joined: Thu Apr 02, 2015 7:12 pm
Posts: 188
Double-E F wrote:
Are your work weeks usually equally productive ;) ?

I wish they were.


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