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PostPosted: Thu Jul 04, 2013 10:33 am 
retrobike rider
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Joined: Mon Jun 13, 2011 1:32 am
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Location: Worcestershire / West Midlands
Before I spend my entire working day digging through the archives, does anyone know what lengths you could get XT M737 cranks in? I have 175mm at the moment and have been suffering some knee problems after long rides; back in the day I used to ride 170mm (purely because that's all I had) so I'm wondering if it's related. Did they ever make a 170mm 737? (I won't even being to ask where to source one - it's going to be a long wait I'm sure!)

Cheers,
P.


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PostPosted: Thu Jul 04, 2013 12:07 pm 
Old School Grand Master

Joined: Tue Oct 09, 2007 1:55 pm
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Location: New Forest, UK
I think they offered 165, 170 and 175. 165 and 170 were probably largely for aftermarket though.


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PostPosted: Thu Jul 04, 2013 12:19 pm 
retrobike rider / Gold Trader
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Joined: Sat May 09, 2009 11:46 pm
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There were some 180mm ones for sale on ebay the other day, as I was tempted to bid for them, as I've still not tried 180mm cranks and think they might suit me.


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PostPosted: Thu Jul 04, 2013 12:30 pm 
retrobike rider
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Hmm -good info. Thanks. I'm quite short legged (being a good Midlander) so I'm tempted to try and find a set of 165s or 170s. Ha ha ha. Remembering how long it took me to find a nice set of 175s I'm being hopeful methinks. :D


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PostPosted: Thu Jul 04, 2013 1:33 pm 
Old School Grand Master

Joined: Tue Oct 09, 2007 1:55 pm
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Location: New Forest, UK
Sugino Mighty 900 are as nicely finished and lighter.


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PostPosted: Fri Jul 05, 2013 7:35 am 
retrobike rider
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If you're on SPD pedals try moving the cleat backwards, also try a different seat position.

But, 170/175 would be the standard OEM sizes so shouldn't be to hard to fond. The difficulty is people tend not to quote the length.
Anyway
Shimano groupsets where 170/175 (e.g. LX, STX)
But
XT m737 had 165/170/175/180
XTR m900 had 165/170/172.5/175/180


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PostPosted: Fri Jul 05, 2013 7:38 am 
retrobike rider
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And if you don't believe me on your common size well
http://item.mobileweb.ebay.co.uk/viewit ... 1096596440
Though I wouldn't recommend paying that much for them.


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PostPosted: Fri Jul 05, 2013 2:41 pm 
Old School Grand Master
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Location: Heathfield, East Sussex
...and if you are on SPuDs you could try the pedal extensions (Specialized look to be the best) like I have on my blue Kili ( I think there's a close-up photo in my build thread?) as I couldn't get on with them at all until I fitted the extensions because I was used to the freedom of flats.


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PostPosted: Sat Jul 06, 2013 12:37 am 
retrobike rider
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Thanks for the info all - will keep my eyes peeled for some 737 in 170 then. Think this lot cost me in the £40 region but prices vary a lot, I guess.

I am using SPDs - cleats in the same position as they were in the 90's! Don't really fancy trying to shift them tbh, so I'm going to adopt the easy approach of the 170mm crank length that my legs are used to. :)


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PostPosted: Sat Jul 06, 2013 11:37 am 
retrobike rider
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Moving them back a little solved the problem for me.
I used to run them near the front, now they are about halfway. Can check.


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