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PostPosted: Sun Aug 18, 2013 9:26 am 
Dirt Disciple

Joined: Thu Oct 25, 2012 5:36 pm
Posts: 65
Location: Exeter devon
Been offered a Kona explosif to buy, it has been resprayed and the guy said he's had it from new. Now my only concern is that it could potentially be another kona frame as a few others look quite similar. Is there anything that will stand out to tell me it's an explosif??


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PostPosted: Sun Aug 18, 2013 9:33 am 
retrobike rider
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Joined: Fri Aug 08, 2008 2:36 pm
Posts: 16744
Location: Yorkshire, England
Serial number probably, at least the mid/late 90's are different to the rest of the range.
But slightly oval tubing both ends on the top tube in 1992.
Ribbed downtube on the 1993.

Put up pictures or look in the catalogues in the archive to compare style to double check year.


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PostPosted: Sun Aug 18, 2013 9:40 am 
Dirt Disciple

Joined: Thu Oct 25, 2012 5:36 pm
Posts: 65
Location: Exeter devon
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Frame would ideally be repainted and decaled!!!


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PostPosted: Sun Aug 18, 2013 2:07 pm 
Dirt Disciple

Joined: Thu Oct 25, 2012 5:36 pm
Posts: 65
Location: Exeter devon
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I have purchased it now as the parts are all good even if the frame isnt what it is.

Hopefully someone who knows more about the Explosifs may help me out!


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PostPosted: Sun Aug 18, 2013 2:51 pm 
retrobike rider
retrobike rider

Joined: Sun Sep 23, 2007 11:22 pm
Posts: 7305
Location: Hove
I'm afraid it isn't an Explosif. It could be a Kona though - and if so a 1991 size 16.

The 1991 Explosif has top and down tubes that are visibly ovalised and taper slightly from 27 x 30mm at the back to 30 x 34mm at the front. It also has a bulge-butted seat tube, which bulges out both laterally and longitudinally as it meets the bb shell. Yours bulges out laterally, but seems to be narrowed longitudinally, which is reminiscent of a Cinder Cone seat tube. I don't know whether the 1991 Lava Dome also used that seat tube.

I think it's the number ending in '17' that is the serial number, and if so the earlier part of that number may give some further evidence as to whether it's a Kona, but I'm afraid it won't tell us which model it is.


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PostPosted: Sun Aug 18, 2013 3:24 pm 
Dirt Disciple

Joined: Thu Oct 25, 2012 5:36 pm
Posts: 65
Location: Exeter devon
F1024117 IS THE FRAME NUMBER ON THE BIKE, ITS A BIT HEAVIER THAN I EXPECTED REALLY BUT IT WILL NOW POSSIBLY BE REPLACED. THE GUY SAID HE BOUGHT IT NEW AS A FRAME IN 1993 AND BUILT IT UP. HE DID SAY IT WAS ORIGNALLY BLACK WITH A BIT OF PURPLE.


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PostPosted: Sun Aug 18, 2013 3:36 pm 
retrobike rider
retrobike rider

Joined: Sun Sep 23, 2007 11:22 pm
Posts: 7305
Location: Hove
That number is certainly consistent with it being a 1991 Kona - it says it was built in the Fairly works in February 1991. All 1991 Konas were available in black as an option to the catalogue colour.


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PostPosted: Wed Aug 21, 2013 11:21 pm 
Dirt Disciple

Joined: Thu Oct 25, 2012 5:36 pm
Posts: 65
Location: Exeter devon
Is there any other sure fire ways to work out what model it is?


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PostPosted: Wed Aug 21, 2013 11:32 pm 
retrobike rider
retrobike rider

Joined: Thu Apr 17, 2008 1:24 am
Posts: 7562
Location: Manchester
It's looks the same as my Lava Dome. I'll have to check the frame number tomorrow. Mine has been repainted but has some purple in the headtube which could be original. It weighs >6lb


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