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is a stem thats ref...
 

[Closed] is a stem thats refered to as 73 deg actually a 17deg ?

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[#2072135]

i think so as it adds up to 90 but maybe im being thick lol


 
Posted : 09/10/2010 7:58 pm
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Yes that would be my understanding (17 deg not being thick!)LOL ๐Ÿ™‚


 
Posted : 09/10/2010 8:01 pm
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Where did you see that ? Stems are + or -ve from the horizontal.


 
Posted : 09/10/2010 8:02 pm
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you are holding it upside down


 
Posted : 09/10/2010 8:04 pm
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thanks mate thought so but thought id better check lol


 
Posted : 09/10/2010 8:04 pm
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dont care if its upside down so long as it gives me 17deg rise one of the ways round


 
Posted : 09/10/2010 8:05 pm
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so long as it gives me 17deg rise one of the ways round

(guess)
I don't think it will - 73 would suggest it rises at 73 deg from perpendicular to the line of the steerer, wouldn't it ?

ie, getting on for vertically up (if head angle 1s 70 or so) or down at about 45 or so

(/guess)


 
Posted : 09/10/2010 8:11 pm
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just checked the stem on another site and its refered to as as 73/107 and apparently the 107 gives 17deg rise. far too confusing lol


 
Posted : 09/10/2010 8:12 pm
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I don't think it will - 73 would suggest it rises at 73 deg from perpendicular to the line of the steerer, wouldn't it ?

No. Quite often stem angles are quoted as the difference from 90 deg. A 73 deg stem is a -17 deg stem using the the other naming convention.


 
Posted : 09/10/2010 8:15 pm
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What stem/mfr is it? Link?


 
Posted : 09/10/2010 8:17 pm
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this one woody

http://www.wiggle.co.uk/p/cycle/7/Cinelli_Vai_Road_Stem/5360015156/#more


 
Posted : 09/10/2010 8:18 pm
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No. Quite often stem angles are quoted as the difference from 90 deg. A 73 deg stem is a -17 deg stem using the the other naming convention.

FFS, 2 competing conventions, even for stem rise ?! ๐Ÿ™„

actually, just had a quick shufty on Parkers as I was going to suggest maybe roasdies had always done this, but they don't. Seems cinelli do this ^ way and "everyone" else (who says anything about angles - many don't, at least on Parker's site including some 200 quid ones) seems to use the other


 
Posted : 09/10/2010 8:40 pm
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[i]Seems cinelli do this ^ way and "everyone" else (who says anything about angles - many don't, at least on Parker's site including some 200 quid ones) seems to use the other[/i]

Ritchey and Pro use both ๐Ÿ™‚


 
Posted : 09/10/2010 8:41 pm
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It's obviously an Italian 'thing' as ITM appear to do the same.


 
Posted : 09/10/2010 8:41 pm
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at least i was right lol thanks all


 
Posted : 09/10/2010 8:43 pm