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PostPosted: Thu Jun 20, 2019 5:10 pm 
rBoTM Winner
rBoTM Winner

Joined: Thu Dec 13, 2012 6:54 pm
Posts: 408
Hi

this silver anodized frame set out of Aluminium has found the way to me and my small collection ...

I didn't know anything about these this before - it's another Japanese lugged Aluminium version of a Vitus or an ALAN (the other I know has been the Sakae Litage)

With reference to my actual research it is a Nakagawa Dura All ... Or a Dura All by Nakagawa who knows ? -I don't know anything about it

I found nearly nothing within the www. So Nakagawa was a bicycle manufacturer from Japan, who has been building high- end taylormade frameworks since the beginning of 1983, but normally out of steel

Mr. Nakagawa the Master himself is said to have been a more than talented cyclist at the end of the 60s, who had to give up his career through an accident and, after completing his engineering studies in Italy, learned to build a frame with Ugo DeRosa ...

The Dura ALL frame set was referred here in Europe with reference to a Japanese manufacturer but without specifying which one was. Nor have I figured out what time this frame set comes from.
My guess here goes mid to late 80s-a more precise dating would be better for a contemporary setup but

So who knows this framework and has any information about it

... here see the first pics of it - especially this special headtube for a bonded frame set. It looks like a steelmade one
Attachment:
IMG_1339_3ßpct.jpg
IMG_1339_3ßpct.jpg [ 131.58 KiB | Viewed 362 times ]

Attachment:
IMG_1340_30pct.jpg
IMG_1340_30pct.jpg [ 99.36 KiB | Viewed 362 times ]

Attachment:
Nakagawa_Headbadge.jpg
Nakagawa_Headbadge.jpg [ 33.98 KiB | Viewed 362 times ]


Many thanks in advance for your info

BR Thomas


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PostPosted: Thu Jun 20, 2019 7:17 pm 
Gold Trader
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Joined: Mon Jan 15, 2007 11:40 am
Posts: 3747
I know nothing about it, but it looks nice. Are those mudguard eyes on the rear dropouts?


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 Post subject: Re:
PostPosted: Thu Jun 20, 2019 9:14 pm 
Old School Grand Master
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Joined: Fri Dec 10, 2010 10:40 pm
Posts: 4331
Location: The Royal Society of Insobriety
I really like these Japanese bonded frames, never heard of these though.


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PostPosted: Thu Jun 20, 2019 10:39 pm 
Old School Grand Master
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Joined: Fri Oct 14, 2011 8:41 pm
Posts: 9630
Location: Cumbria
Classy :) head tube doesn't seem to have the surface area for bonding. I wonder if it's 'welded' with the lugs for effect. There was a French frame maker from years ago who joined aluminium tubes beginning with an "S" do perhaps not impossible?


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PostPosted: Fri Jun 21, 2019 9:39 pm 
rBoTM Winner
rBoTM Winner

Joined: Thu Dec 13, 2012 6:54 pm
Posts: 408
@Midlife - you think it's not one piece steering tube like Vitus did - it should consist of 2 lugs and an extra head tube like ALAN did
here further details of this frame set

Attachment:
Nakagawa_rear.jpg
Nakagawa_rear.jpg [ 122.58 KiB | Viewed 273 times ]
Attachment:
Nakagawa_brake bridge.jpg
Nakagawa_brake bridge.jpg [ 112.92 KiB | Viewed 273 times ]
Attachment:
Nakagawa_BB shell.jpg
Nakagawa_BB shell.jpg [ 80.42 KiB | Viewed 273 times ]
Attachment:
nakagawa_no..jpg
nakagawa_no..jpg [ 68.75 KiB | Viewed 273 times ]


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