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 Post subject:
PostPosted: Sat Apr 29, 2006 2:58 am 
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Joined: Wed Feb 25, 2004 4:04 pm
Posts: 596
iubike wrote:
Why do you buy such an item on Ebay. Just support your local dealer, in the end it is so much cheaper.

K


we have to support our pockets :wink:

back on topic, aluminum self stractors bolts simple wont work. FSA sells aluminum self stracting bolts but they adversite not to use it, install the cranks with steel bolts, remove the bolts, put the aluminum ones. if you want to remove the cranks, remove the aluminum bolts, put the steel ones and remove the cranks. i know it sounds stupid but thats what they say about it.

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Last edited by carlos on Sat Apr 29, 2006 3:01 am, edited 1 time in total.

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Posted: Sat Apr 29, 2006 2:58 am 


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 Post subject: Re: torque
PostPosted: Sat Apr 29, 2006 3:01 am 
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Joined: Sat Nov 26, 2005 1:53 pm
Posts: 288
Location: Montreal
durarace wrote:
Wogamax,
As far as torque goes, I did a search on weightweenies and read in several threads that with ISIS BB you tighten until it bottoms out. That is what I did.


Not so...

Usual torque values of the crankarm bolts on ISIS interface are ~ 57.00 n/m for steel bolts and 59 n/m for Alu.

Basic torque wrench: 50.00$ , 8mm Allen driver: $5.00 ,it a small price to pay when instralling $400 cranks.

A torque wrench comes in handy on all fasteners especially Ti and Aluminum as long as the part is installed using anti-seize compound or medium strenght locktite (blue), the torque values are then accurate.


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 Post subject:
PostPosted: Tue May 02, 2006 1:00 am 
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Joined: Thu Jan 05, 2006 11:10 pm
Posts: 73
Location: Tennessee
So where do you get a steel bolt? I have new Pulsion cranks and a Token BB and I think both are aluminum bolts.


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 Post subject:
PostPosted: Tue May 02, 2006 1:36 am 
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Joined: Sat Oct 23, 2004 2:53 pm
Posts: 194
Location: Cincinnati, Ohio
As noted, FSA sells a self extracting bolt, but now does not recommend it's use. I put one on an FSA compact crank and pulled the extractor out withoug removing the crank. I ended up stripping the treads on the crank just like you did.

The good news is I took it to my LBS where I bought the cranks. He was able to extract the crank but using a standard crank extractor which he was able to get into the treads of the stripped threads. He really bottomed it out before extracting the cranks. Then, he gave me a brand new set of FSA cranks. However, not with the self extracting bolts.

For the Pulsion cranks, I use the FSA BB which comes with the aluminum and steel bolts. I have discarded the Pulsion bolts and will never use self extracting bolts.


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 Post subject:
PostPosted: Tue May 02, 2006 1:42 am 
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Joined: Mon Dec 19, 2005 9:16 am
Posts: 1281
Yeah I just use one of these to pull cranks
Image

It is the Park CCP-4 cheap & easy
Also I use a steel bolt to put them on. I am afraid of the stress it takes to seat the arms on a ISIS BB all the way. Then remove the bolt & use the lighter alum one.


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 Post subject:
PostPosted: Tue May 02, 2006 3:38 am 
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Location: mOntreal
all these stories about aluminum self extractors sucking has me a bit surprised, the self extracting portion on my Race Face Diabolus is alu, and it works perfectly, but then the arm comes off pretty easy too. Perhaps the key is deeply engaging threads, it's a machined part on my cranks.

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 Post subject:
PostPosted: Tue May 02, 2006 5:22 am 
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Flying ---- the Park puller you pictured won't fit the Pulsion cranks. The Pulsion cranks have a way bigger area that the puller threads onto. What puller do Pulsion cranks use besides self extractors?


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 Post subject:
PostPosted: Tue May 02, 2006 5:36 am 
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Location: Southern Indiana USA
I have been a tandem owner and a memeber of the tandem listserve for years. Many new tandems come with the self extracting FSA bolts and there are no reports of problems. Our tandem came with FSA cranks and FSA self extracting bolts on both cranks. We have never had a problem. Is it possible that there is a compatability problem between the self extracting bolts and your specific cranks? I have installed FSA self extractig bolts on many 9 speed systems with no problems so far. All of them have been Octalink, by the way. It never hurts to grease the splines. When I build a bike every fastner either gets grease or Locktite as well as surfaces such as splines.

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 Post subject: hey
PostPosted: Tue May 02, 2006 6:30 am 
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Posts: 1209
here is how to pull the crank off

use a traingular shapped metal item that you put between the crank arm and the BB/frame
now just tap on it with a hammer.
the expanding part that will go downards will push you crank arm off.

if you are riding a carbon frame its recomended to put something between the traingular item and the frame so it wont scratch

I made a drawing for you :-)

enjoy


Attachments:
puller.JPG
puller.JPG [ 5.23 KiB | Viewed 562 times ]
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 Post subject:
PostPosted: Tue May 02, 2006 6:53 am 
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durarace wrote:
Flying ---- the Park puller you pictured won't fit the Pulsion cranks. The Pulsion cranks have a way bigger area that the puller threads onto. What puller do Pulsion cranks use besides self extractors?


I did not know that. I use FSA Carbon Pros.
Maybe Juanmoretime will chime in or others that use the Pulsions.
Sorry


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 Post subject:
PostPosted: Tue May 02, 2006 9:44 am 
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Posts: 6737
Location: Urbana, Illinois
durarace wrote:
Flying ---- the Park puller you pictured won't fit the Pulsion cranks. The Pulsion cranks have a way bigger area that the puller threads onto. What puller do Pulsion cranks use besides self extractors?


Not true, I use the Park puller for my Stronglight CT2's whenever I remove them. I never used the self extractors as I never have been a big fan of them. I prefer the FSA alloy bolts which come in at 16 grams less and have an FSA steel bolt to initially mount the cranks.

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 Post subject:
PostPosted: Tue May 02, 2006 11:35 am 
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Joined: Sat Apr 16, 2005 1:44 am
Posts: 78
Location: New Orleans Louisiana USA
There are 2 differant Park crank pullers. Just make sure you get the right size.

Tim


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 Post subject:
PostPosted: Tue May 02, 2006 11:43 am 
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Joined: Sat Oct 23, 2004 2:53 pm
Posts: 194
Location: Cincinnati, Ohio
I use the small Pedro crank extractor. Easy to carry on a trip. Works with the Pulsion cranks.

I mount the cranks with the steel bolt and then switch to the aluminum.


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pedrocrank.jpg [ 13.14 KiB | Viewed 154 times ]
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