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PostPosted: Mon Oct 28, 2013 12:24 am 
Retro Guru
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Joined: Tue Mar 05, 2013 2:00 am
Posts: 2014
Location: Toronto, Canada
I have a 1996 Rocky Mountain Blizzard with (i believe) the original silver seat post clamp. I want to replace it with a black one... it doesn't have any writing on it, how do I measure it? Do I just remove it and then measure the outer diameter of the tube?

thanks!


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PostPosted: Mon Oct 28, 2013 12:44 am 
retrobike rider
retrobike rider

Joined: Thu Apr 17, 2008 1:24 am
Posts: 7563
Location: Manchester
Yes.


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PostPosted: Mon Oct 28, 2013 1:29 am 
Retro Guru
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Joined: Tue Mar 05, 2013 2:00 am
Posts: 2014
Location: Toronto, Canada
Hmmm, it's measuring in at 30.1 exactly... what would that be? I see 29.8 is a common size but there are very few out there at 30.0

thanks!


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PostPosted: Mon Oct 28, 2013 3:43 am 
Devout Dirtbag
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Joined: Wed May 05, 2010 2:53 am
Posts: 129
Location: Portland, OR
DKG has a 30.0 available.
http://www.dkg-cnc.com/sizing.html
DKG is my first choice when I'm in need of a quality clamp and they ship within a day or two.


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PostPosted: Mon Oct 28, 2013 3:46 am 
Retro Guru
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Joined: Tue Mar 05, 2013 2:00 am
Posts: 2014
Location: Toronto, Canada
thanks!


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PostPosted: Mon Oct 28, 2013 6:25 pm 
Gold Trader
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Joined: Wed May 20, 2009 1:29 pm
Posts: 10798
Location: Manchester, UK
Hope all make an excellent 30.0 clamp in QR or bolt


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PostPosted: Mon Oct 28, 2013 11:30 pm 
retrobike rider
retrobike rider

Joined: Thu Apr 17, 2008 1:24 am
Posts: 7563
Location: Manchester
Is this a new size for bikes in general? I've not heard of it before?


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PostPosted: Tue Oct 29, 2013 1:32 am 
National & North West AEC
National & North West AEC
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Joined: Mon Nov 03, 2008 12:43 am
Posts: 8146
Location: Macclesfield Forest
I've seen plenty of frames with a 30.0mm clamp diameter. Not that uncommon.


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PostPosted: Tue Oct 29, 2013 7:29 am 
Gold Trader
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Joined: Mon Mar 26, 2012 10:06 am
Posts: 1622
Just bought a couple 30.0mm Straitline clamp's from CRC, on sale for over half price off and plenty of color to choose from :D

http://www.chainreactioncycles.com/dk/e ... -prod92253

...and 100% made in Canada eh! 8)


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PostPosted: Tue Oct 29, 2013 11:29 am 
retrobike rider / Gold Trader
retrobike rider / Gold Trader
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Joined: Fri May 08, 2009 10:01 am
Posts: 11214
Location: Stockport, staring at the Peaks
29.8/30.0mm are both fine - nothing like enough difference to matter :)

Keep that original safe too!


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