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PostPosted: Thu Mar 01, 2012 8:18 am 
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Joined: Wed Feb 04, 2009 3:37 am
Posts: 39
you finished the ride though right? Still had one good side to pedal on...


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PostPosted: Thu Mar 01, 2012 9:00 am 
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Joined: Sat Apr 24, 2010 7:31 pm
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Saw this happen with Dura Ace 2010 and the guy had speedplay pedals. Momentum spun the crank back onto the chain stay and snapped it in two as the pedal made impact with the chain stays. S-Works Sl3 as well, 3 week old frame !


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Posted: Thu Mar 01, 2012 9:00 am 


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PostPosted: Thu Mar 01, 2012 10:14 am 
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Joined: Sat Mar 17, 2007 10:49 am
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Location: Mallorca, Spain
Actually i did finish the ride - Happened just pulling into a hilltop village called Orient so I had a 25kms downhill all the way back home.


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 Post subject: Pop went the crankset!
PostPosted: Thu Mar 01, 2012 1:55 pm 
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Location: Mississippi
Over-torque the pedal?

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PostPosted: Thu Mar 01, 2012 2:57 pm 
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Joined: Sat Jul 29, 2006 2:36 am
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Location: UK
btompkins0112 wrote:
Over-torque the pedal?

Quite hard to do just using an Allen key.


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PostPosted: Thu Mar 01, 2012 3:47 pm 
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Joined: Fri Feb 27, 2004 3:56 pm
Posts: 176
To the person who posted that they would stick to DA cranks...

...I have snapped two DA 7800 cranks! One, like the thread starter at the pedal entry point on the drive side and one half way down crank on non drive side. I have also snapped a Truavativ cheapo crank at pedal entry on drive side. That was the only occasion on which I hit the deck as a result. All those in the past 3 years and it does play on my mind as the consequence of this kind of failure could fairly easily be fatal.

NB: I weight 65kg and use a torque wrench!


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PostPosted: Thu Mar 01, 2012 4:34 pm 
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Joined: Tue Mar 15, 2005 2:43 am
Posts: 557
Location: The 'Dena
orient.. nice pace. Enjoy


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PostPosted: Thu Mar 01, 2012 4:36 pm 
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awesome that you finished.


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PostPosted: Thu Mar 01, 2012 8:08 pm 
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Joined: Thu Jan 03, 2008 6:14 am
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Location: by Crystal Springs (Sawyer Creek Trail)
Just hard to believe people are breaking Dura Ace cranks. If those go, any cranks can break


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PostPosted: Thu Mar 01, 2012 9:54 pm 
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I think I have the photos somewhere if there i interest!

The DA crank that snapped at the pedal was clearly corroded (no one could shed any light as to why), the other one...who knows.


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PostPosted: Sun Mar 04, 2012 9:07 pm 
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Email kcnc they will warranty it, and you will notice the new ones you will get will have more meat on tbem :)

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PostPosted: Mon Mar 05, 2012 12:35 am 
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Location: Washington, DC
justkeepedaling wrote:
Just hard to believe people are breaking Dura Ace cranks. If those go, any cranks can break


My friend, any component can break. I would venture to say most higher end (not necessarily weenie) components do, however, break rarely.

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PostPosted: Mon Mar 05, 2012 5:14 am 
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Joined: Sat Feb 02, 2008 2:37 pm
Posts: 779
Location: Cardiac Prison
I never liked the Orient ride much anyway. I know everyone raves about it, but I'll take the Soller, Puig Mayor, Sa Calobra route any day. Maybe your crank has similar feelings.
Which direction were you headed? Toward Bunyola?
Regardless, it seems like a crazy malfunction. I'm sure KCNC will take care of you.

Enjoy spring in Mallorca!

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PostPosted: Mon Mar 05, 2012 11:09 am 
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Posts: 780
Location: Mallorca, Spain
Actually I agree, Im not a fan of the Orient loop, especially as the road quality coming down into Orient from Col D´Honor is terrible. I tend to go out Home (Caimari) to Sta Maria/Bunyola/Orient/Alaro/lloseta as I like the more techincal climb from that side, short as it it, but the descent into Alaro is getting way too busy.
Supposed to be taking a client up to Puig Major today but its raining so Im staying put!

Frankly I could chase KCNC but having just sold my Kuota I dont have a spare bike so Ive just given it to Gomilla to fix a SRAM crankset on it ASAP (and I get a free hirebike in the meantime!)


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Posted: Mon Mar 05, 2012 11:09 am 


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PostPosted: Mon Mar 05, 2012 5:02 pm 
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Joined: Wed Jan 12, 2005 6:04 am
Posts: 432
Location: USA
Glad you didn't get hurt. I broke a 90's Super Record Crank at the same place during sprint intervals. Unfortunately, I ended up with a broken collar bone.

It would be a good idea to inspect the area around the pedal/crank interface periodically under magnification.


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