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Pedal axle/thread size?
 
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Old 29th January 2009   #1
magpie
 
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Pedal axle/thread size?

i've got truavativ touro cranks, and i want to swap my pedals. what size do they take? anyone know/are they a standard size? hopefully they are 9/16. a little knowledge please. kthxbai
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Old 29th January 2009   #2
gogosama
all 3 piece take 9/16 pedal spindle
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Old 29th January 2009   #3
gizmonddonor
 
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Quote:
Originally Posted by gogosama View Post
all 3 piece take 9/16 pedal spindle
Not true, but hey, why complicate things?



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Old 29th January 2009   #4
magpie
 
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thought they might be, just wanted to make sure before buying shiny stuff from the interweb. cheers
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Old 29th January 2009   #5
Stein
 
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Why two threads....?
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Old 29th January 2009   #6
Pifko
 
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Originally Posted by Stein View Post
Why two threads....?
One for the right pedal, the other for the left.
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Old 30th January 2009   #7
magpie
 
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sorry bout the double threadage, my internet was being shit, and i didn't think it posted the first time.
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Old 8th July 2011   #8
TeeTee
 
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Bump...

I've got some 1960s Stronglight 49D 165mm cranks that are marked "9/16-20", which I suppose must mean they are threaded for standard 9/16" x 20tpi pedals, but when I've tried screwing in the pedal (which is 9/16" x 20tpi threaded), it goes in but it seems VERY stiff, almost like the threading is mismatched. The threads look clean and I've greased the pedal threads but I'm worried I might be doing some damage.

Any ideas? Is it possible to check the crank threads? Is this simply because they're old cranks?

Cheers.
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Old 10th July 2011   #9
chriscofferson
 
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how sure are you that the pedals you are putting in 9/16ths? could the cranks have been re threaded? have you tried another set of pedals to eliminate the pedals from the problem?
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Old 11th July 2011   #10
TeeTee
 
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Quote:
Originally Posted by chriscofferson View Post
how sure are you that the pedals you are putting in 9/16ths? could the cranks have been re threaded? have you tried another set of pedals to eliminate the pedals from the problem?
Thanks - all good advice. I was sure of the pedals but unsure of the crank threading, and had the same issue with two sets of pedals.

But...it's all sorted out now. I gave the threads on the pedals and the cranks a really really good clean, which improved matters. It was still a very tight fit, but the threading was a correct match. No little silver worms.
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