Cracked SLX cranks?
 

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[Closed] Cracked SLX cranks?

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This is a new one for me, was fettling the g/f's bike ahead of the GT7 tomorrow and found this on the end of the crank:

[url= http://farm8.staticflickr.com/7095/7315429872_9f6653e333_b.jp g" target="_blank">http://farm8.staticflickr.com/7095/7315429872_9f6653e333_b.jp g"/> [/img][/url]
[url= http://www.flickr.com/photos/mark_penman/7315429872/ ]IMAG0307[/url] by [url= http://www.flickr.com/people/mark_penman/ ]mark_penman[/url], on Flickr

I'm not concerned about it failing (for the moment at least) just found it odd, especially when you consider that these cranks have a steel pedal insert and washers on the pedal spindle. I found a similar (but not so obvious) crack on the non-drive and then found the same (but smaller again) on the XT cranks on my bike.

Anyone else seen this before?


 
Posted : 01/06/2012 5:41 pm
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Yes, there was a thread about this some time ago on XT cranks and IIRC the outcome was its nothing to worry about as its something to do with how they are made, ie a tube forged into the crank shape.

My XT cranks have got similar markings but not quite as pronounced


 
Posted : 01/06/2012 5:57 pm
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I think he means the line in between the two grooves


 
Posted : 01/06/2012 6:13 pm
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Here you go have a read of [url= http://singletrackworld.com/forum/topic/cracks-in-cranks ]this[/url]


 
Posted : 01/06/2012 6:20 pm
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thanks for that boggy, had completely missed this when they HTIIs first came out.

Shall continue to give them a kicking then 🙂


 
Posted : 01/06/2012 8:08 pm