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PostPosted: Tue Mar 12, 2013 7:19 pm 
Gold Trader / MacRetro rider
Gold Trader / MacRetro rider
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Joined: Sun May 25, 2008 11:03 am
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Location: Sunny Glasgow
Charlieboy28 wrote:
Can we compromise and say its a semi interference fit. As cranks don't come off when you undo the bolt. We also swap out the steel bolts to an ally bolts. If it really is a matter of how far the crank slips down the taper. Are we not saying the same thing. More grease less torque. No grease more torque to achieve the same result.


Slight amendment :)
It will come off if you remove the bolt ,it will come off in use.

Take and leave the bolt out and what happens? correct :) the crank falls off one day while cycling along.


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PostPosted: Tue Mar 12, 2013 7:52 pm 
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Location: Heathfield, East Sussex
Did anyone else ever play 'Swingball' as a kid? :lol:


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PostPosted: Tue Mar 12, 2013 7:59 pm 
King of the Skip Monkeys
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I'm not greasing nuffink wivout my solicitaa


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PostPosted: Tue Mar 12, 2013 8:00 pm 
retrobike rider
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We_are_Stevo wrote:
Did anyone else ever play 'Swingball' as a kid? :lol:


Yes, and I always lubed it up to keep it nice and smooth

:mrgreen:


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PostPosted: Tue Mar 12, 2013 8:10 pm 
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Location: It's not easy being a dolphin.
Based on FCs sound contribution, here's the latest update from the experts at Parktool http://www.youtube.com/watch?v=QEz997KrbkQ

:lol:

EDIT: Here is what Parktool actual says for the record:
"Aluminum cranks typically do not require lubrication of this press fit. Aluminum by its nature is self-lubricating as it is covered with a thin layer of oxidation. Adequate torque is typically enough to keep arms from creaking."

So pro No Grease they are, and pro lubrication from the thin layer of oxidation, and don't completely rule out Grease either.


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PostPosted: Tue Mar 12, 2013 9:39 pm 
retrobike rider
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:lol:


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PostPosted: Tue Mar 12, 2013 11:44 pm 
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Woz wrote:
Based on FCs sound contribution, here's the latest update from the experts at Parktool http://www.youtube.com/watch?v=QEz997KrbkQ

:lol:

EDIT: Here is what Parktool actual says for the record:
"Aluminum cranks typically do not require lubrication of this press fit. Aluminum by its nature is self-lubricating as it is covered with a thin layer of oxidation. Adequate torque is typically enough to keep arms from creaking."

So pro No Grease they are, and pro lubrication from the thin layer of oxidation, and don't completely rule out Grease either.


Ah yes, but the grease helps prevent the oxidization which seizes the cranks onto the taper in the first place... :wink:


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PostPosted: Wed Mar 13, 2013 1:15 am 
Gold Trader / MacRetro rider
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We_are_Stevo wrote:
Woz wrote:
Based on FCs sound contribution, here's the latest update from the experts at Parktool http://www.youtube.com/watch?v=QEz997KrbkQ

:lol:

EDIT: Here is what Parktool actual says for the record:
"Aluminum cranks typically do not require lubrication of this press fit. Aluminum by its nature is self-lubricating as it is covered with a thin layer of oxidation. Adequate torque is typically enough to keep arms from creaking."

So pro No Grease they are, and pro lubrication from the thin layer of oxidation, and don't completely rule out Grease either.


Ah yes, but the grease helps prevent the oxidization which seizes the cranks onto the taper in the first place... :wink:



The non grease brigade will next be telling us that we dont have to grease our seatposts if its an alloy to steel fit.

Yeah right :lol:


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PostPosted: Wed Mar 13, 2013 8:31 am 
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Location: Heathfield, East Sussex
dyna-ti wrote:
We_are_Stevo wrote:
Woz wrote:
Based on FCs sound contribution, here's the latest update from the experts at Parktool http://www.youtube.com/watch?v=QEz997KrbkQ

:lol:

EDIT: Here is what Parktool actual says for the record:
"Aluminum cranks typically do not require lubrication of this press fit. Aluminum by its nature is self-lubricating as it is covered with a thin layer of oxidation. Adequate torque is typically enough to keep arms from creaking."

So pro No Grease they are, and pro lubrication from the thin layer of oxidation, and don't completely rule out Grease either.


Ah yes, but the grease helps prevent the oxidization which seizes the cranks onto the taper in the first place... :wink:



The non grease brigade will next be telling us that we dont have to grease our seatposts if its an alloy to steel fit.

Yeah right :lol:


That's because assembly/disassembly seem to have seem to have become a little interposed early on...

...we ALL know you don't need grease to facilitate assembly, just as we all know how many repeat 'How do I remove my stuck ***********' threads there are 8)


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PostPosted: Wed Mar 13, 2013 8:40 am 
BoTM Winner / PoTM Winner
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Location: norcal
I'm starting to believe that a lot more people here than I previously thought don't understand the difference between a square taper interface, a seatpost, and a quill stem(sing it with me now, "one of these things is not like the other things..")

The good news is this confusion probably won't end up with them hurting themselves, but sadly the mechanical ignorance will continue to be spread

Shameful


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