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PostPosted: Fri Jul 09, 2010 8:34 am 
Dirt Disciple
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Joined: Fri May 22, 2009 1:39 pm
Posts: 75
Location: Holland
Hello everybody!

I can buy this Jan Janssen road bike for little money. It's paint scheme is so ugly that i like it :oops: . I don't know the year of building (probably somewhere in the 70's, but i like to know it more exactly), so maybe you guys can help me a bit. The photo's below are the only pics i have. Thanks in advance!

Yvo


Image

Image


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 Post subject: how old
PostPosted: Fri Jul 09, 2010 10:49 am 
Retro Guru

Joined: Tue Feb 02, 2010 6:11 pm
Posts: 1843
Location: wellingborough
looking at photos looks like crankset is mid 80's due to not being cottered , another good clue is check to see if hubs are date stamped . looks nice and original


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PostPosted: Fri Jul 09, 2010 10:54 am 
Old School Grand Master
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Joined: Thu Jul 19, 2007 7:18 pm
Posts: 3798
Location: Staffordshire
The clearance between wheels and fram look very large. Are the wheels original?


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PostPosted: Fri Jul 09, 2010 11:20 am 
Dirt Disciple
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Joined: Fri May 22, 2009 1:39 pm
Posts: 75
Location: Holland
Quote:
looking at photos looks like crankset is mid 80's due to not being cottered , another good clue is check to see if hubs are date stamped . looks nice and original


Thanks, it looks original indeed. If i look at the brakes and paint scheme, it's hard to believe they made this bike in the 80's. I really want to restore this bike, but when it's from the eighties it's not so interesting for me.

Quote:
The clearance between wheels and fram look very large. Are the wheels original?


I've got no idea. The tires are flat, maybe that's the reason it's looking a bit strange?

Thanks for the answers.


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PostPosted: Fri Jul 09, 2010 1:27 pm 
retrobike rider
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Joined: Fri Jan 29, 2010 11:57 am
Posts: 308
Location: Devon
I think it's way earlier than the 80's, I started to get involved with road bikes in the early 80s and I don't recognise anything like being from that era.

If the wheels are 700c, I would have thought with frame and brake clearances like those that the original wheels would be 27inch. If they are already 27 inch then coupled with the clearance makes it easily earlier than the 80's in my view.


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PostPosted: Fri Jul 09, 2010 2:07 pm 
rider | rBoTM Winner
rider | rBoTM Winner
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Joined: Fri Jan 25, 2008 1:42 pm
Posts: 5131
Location: Wakefield, Yorkshire
I reckon the fittings are all later than the 70's. Just look at the Mafac 'Racer' brakes and levers, stem, chainset etc.

Unless of course they've all been replaced which I would consider unlikely.

As a quick point, were 27" wheels in use in Holland or were 700c the norm?


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PostPosted: Fri Jul 09, 2010 7:20 pm 
Dirt Disciple
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Joined: Fri May 22, 2009 1:39 pm
Posts: 75
Location: Holland
Thanks for the answers guys! I've decided not to buy it.

Quote:
As a quick point, were 27" wheels in use in Holland or were 700c the norm?
700c wheels were the norm here.

Yvo


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