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From: Zen Cycle <funkmaster@hotmail.com>
Newsgroups: rec.bicycles.tech
Subject: Re: RE: Re: Disc Compatibility?
Date: Wed, 12 Mar 2025 12:29:42 -0400
Organization: A noiseless patient Spider
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On 3/12/2025 12:14 PM, cyclintom wrote:
> On Fri Mar 7 11:46:55 2025 Zen Cycle  wrote:
>> On 3/7/2025 11:36 AM, AMuzi wrote:
>>> On 3/7/2025 9:59 AM, Zen Cycle wrote:
>>>> On 3/7/2025 10:53 AM, cyclintom wrote:
>>>>> On Thu Mar 6 11:23:43 2025 AMuzi wrote:
>>>>>> On 3/6/2025 10:53 AM, cyclintom wrote:
>>>>>>> On Thu Mar 6 12:46:35 2025 Roger Merriman wrote:
>>>>>>>> zen cycle <funkmasterxx@hotmail.com> wrote:
>>>>>>>>>> On 3/5/2025 2:17 PM, cyclintom wrote:
>>>>>>>>>>> On Tue Mar 4 21:55:28 2025 Roger Merriman wrote:
>>>>>>>>>>>> cyclintom <cyclintom@yahoo.com> wrote:
>>>>>>>>>>>>> Andrew, I have GRX levers and Ultegra actuators. It acts as if
>>>>>>>>>>>>> these are
>>>>>>>>>>>>> not compatible. The levers on both front and rear will not
>>>>>>>>>>>>> "pump" the
>>>>>>>>>>>>> brake pades close enough to the discs so that they actuate with
>>>>>>>>>>>>> almost no
>>>>>>>>>>>>> pull. Instead they pull almost all of the way to the bar.
>>>>>>>>>>>>>
>>>>>>>>>>>>> The pads are hardly worn and there are no leaks from the
>>>>>>>>>>>>> connections.
>>>>>>>>>>>>>
>>>>>>>>>>>> Should be, uses same pads/hose fitting kit and so on, and
>>>>>>>>>>>> appears to be
>>>>>>>>>>>> same calipers broadly from Tiagra to Dura Ace, though Cues is
>>>>>>>>>>>> I believe
>>>>>>>>>>>> doing its own thing! Aka less performance more simple design.
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> What I was trying to discover was if the 10 speed GRX levers
>>>>>>>>>>> didn't
>>>>>>>>>>> have the capacity of the 11 speed Ultegra actuators. That
>>>>>>>>>>> occurred to
>>>>>>>>>>> me in a dream.
>>>>>>>>>
>>>>>>>>> Which is where tommy gets most of his silly ideas - dents popping
>>>>>>>>> out of
>>>>>>>>> top tubes, for example
>>>>>>>>>
>>>>>>>>>> But since they are compatible it must be air in the
>>>>>>>>>>> system. The thing that bothers me is that all of my previous disk
>>>>>>>>>>> bikes had hard front and back brakes. This setup has the same
>>>>>>>>>>> pull on
>>>>>>>>>>> front and back and the front is a straight shot up and bled
>>>>>>>>>>> without a
>>>>>>>>>>> problem.
>>>>>>>>>>
>>>>>>>>>> Because the rear caliper line entry is at an unusual angle. The
>>>>>>>>>> front
>>>>>>>>>> points straight up.
>>>>>>>>>>
>>>>>>>>>> Need to remove the rear caliper form the frame so it can be at the
>>>>>>>>>> lowest point in the system, line pointing up. Rap the caliper
>>>>>>>>>> with a
>>>>>>>>>> tool handle while purging the fluid. It has air in the nooks and
>>>>>>>>>> crannies of the caliper.
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>> It is though very similar to way folks with a brain injury work or
>>>>>>>> rather
>>>>>>>> don?t I guess, aka confabulation, hence his doubling down as he
>>>>>>>> believes
>>>>>>>> it.
>>>>>>>>
>>>>>>>> With apologies for Facebook link!
>>>>>>>>
>>>>>>>> <https://m.facebook.com/story.php?
>>>>>>>> story_fbid=10154178800268586&id=13533633585>
>>>>>>>>
>>>>>>>> I totally believed it at the time, was some 6 months post brain
>>>>>>>> injury and
>>>>>>>> my wife couldn?t get me to understand that it was a joke, took me
>>>>>>>> a day or
>>>>>>>> so to figure it out!
>>>>>>>>
>>>>>>>> I?m still unable to accurately parse, more complicated folks
>>>>>>>> intent has
>>>>>>>> made me rather literal, and wife missed my ability to get jokes
>>>>>>>> and so on.
>>>>>>>>
>>>>>>>> I occasionally ride around there, though it?s spectacularly muddy at
>>>>>>>> moment, though is bright and sunny now, I was up on the on the
>>>>>>>> (which is
>>>>>>>> old road that runs though Avebury) Ridgeway on Tuesday, glorious
>>>>>>>> day, did
>>>>>>>> nearly eat a hedge on the decent down to Egypt! As even the Magic
>>>>>>>> Mary?s
>>>>>>>> packed up with mud! I do enjoy the various lumps and bumps in the
>>>>>>>> area ie
>>>>>>>> henges and other things!
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> Roger, what is doubling down? I had a dent in the top tube and it
>>>>>>> went away. I showed you the SCIENCE of how that could happen and
>>>>>>> you believe it to be fake science? Frank is NOT a mechanical
>>>>>>> engineer and Liebermann isn't even an engineer of any sort. Flunky
>>>>>>> is on this newsgroup at least 100% during what would be working
>>>>>>> hours and he has showed us his account where he said that he rode
>>>>>>> TWO 200 mile rides wityh climbing in them at around 20 mph rides.
>>>>>>> If you believe ANY of these guys you have to ask yourself why.
>>>>>>>
>>>>>>> My brain injury caused seizures and not as you seem to conceive -
>>>>>>> the inability to think. The seizure stopped the ability to post and
>>>>>>> that was treated successfully with medication. So the question
>>>>>>> arises, what has happened to your ability to think?
>>>>>>
>>>>>> You think that there was a dent which just disappeared.
>>>>>>
>>>>>> That did not happen. Or a metaphysical event interceded with
>>>>>> the otherwise solid laws of physics.
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> If you leaned against the door of your truck and it bent inwards, so
>>>>> you pulled the liner off and pushed it back out with a "clang!" would
>>>>> you be talking impossible metaphysical events or that you were just
>>>>> imagining it?
>>>>
>>>> That's not a high-carbon steel tube, dumbass.
>>>>
>>>>
>>>
>>> True, but the principles are the same across steels as a group. The
>>> relative numbers vary from one steel alloy or temper finish to another.
>>>
>>
>> Except that the characteristics of a tube versus a sheet of the same
>> material thickness are more than a little different. The form of the
>> metal is of critical consideration.
> 
> Flunky, you always have to tell us everything your don't know the first thing about.

I know a tube doesn't have the same characteristics as a formed sheet, 
apparently that concept escapes you


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