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does anyone know? they look identical. perhaps the rings are a different width to facilitate 9 speed chains on the M951?
whats the difference between M950 & M951 XTR cranks?
- Thread starter KeepItSteel
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I cannot see any difference other than a slight aesthetic change to the small ring (around the bolts)
M952 was when they brought out '9 speed'
I would not have thought chain rings would warrant a new number (unless it was something radical). It' didn't when the M900 had it's chain ring altered.
I've been looking here http://members.home.nl/children-of-the-korn/XTR950.htm
Not looked in the catalogues yet, not sure if we have them here.
checked cats, only have '96 mombat has no info either.
M952 was when they brought out '9 speed'
I would not have thought chain rings would warrant a new number (unless it was something radical). It' didn't when the M900 had it's chain ring altered.
I've been looking here http://members.home.nl/children-of-the-korn/XTR950.htm
Not looked in the catalogues yet, not sure if we have them here.
checked cats, only have '96 mombat has no info either.
choppstar10
Dirt Disciple
I know this is old but just incase anybody was still wondering, the 951 is a slightly different shape, you can see it more beefy round the pedal hole.
I know this as i just bought a 'pair' of 950s which turned out to be a 950 and a 951!! oh well thats ebay for ya!
just stumbled across this thread after doing a google search. Oh well now ya know
Phil.
I know this as i just bought a 'pair' of 950s which turned out to be a 950 and a 951!! oh well thats ebay for ya!
just stumbled across this thread after doing a google search. Oh well now ya know
Phil.
sastusbulbas
Gold Trader
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I found 950 to be more durable, particularly the finish on the crank arms and the first generation of 950 rear mechs were in my opinion just a wee bit better in fit and finish. I ran 950 on my Dean and 951 on a Klein, the first got twice as much use and seemed to last twice as long if I remember correct.
951 BB was more of an Ultegra too was it not IE a sealed steel unit not the lightweight collar and plastic center, I found it to be a slap in the face with regard to getting what you paid for, but I ran Dura Ace anyway as I prefered the Q-factor and chainline.
951 BB was more of an Ultegra too was it not IE a sealed steel unit not the lightweight collar and plastic center, I found it to be a slap in the face with regard to getting what you paid for, but I ran Dura Ace anyway as I prefered the Q-factor and chainline.
choppstar10
Dirt Disciple
I also found the difference in finish while sanding them down, the 950 arm had a really hard etch primer or similar under the top colour while the 951 had nothing under the top coat.
I like the more slender shape of the 950 too, not sure why they would have changed it, cost cutting or strength issues maybe.
So now immleft with the decision, do i put the odd cranks on, or beg around for a spare left 950??
Nobody else would notice but deep down I'll know that it's not quite right and it may cause me mental health issues in later life!
I like the more slender shape of the 950 too, not sure why they would have changed it, cost cutting or strength issues maybe.
So now immleft with the decision, do i put the odd cranks on, or beg around for a spare left 950??
Nobody else would notice but deep down I'll know that it's not quite right and it may cause me mental health issues in later life!
