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Failed to connect to MySQL: (1203) User howardkn already has more than 'max_user_connections' active connectionsPath: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail From: Zen Cycle Newsgroups: rec.bicycles.tech Subject: Re: Disc Compatibility? Date: Fri, 7 Mar 2025 11:46:55 -0500 Organization: A noiseless patient Spider Lines: 137 Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Fri, 07 Mar 2025 17:46:56 +0100 (CET) Injection-Info: dont-email.me; posting-host="0f1fb83fa9853c854deae31c6fa446f2"; logging-data="3782354"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1/l4upt4aQtEl174fykcY+eNJaHYWxDotk=" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:+XpBXGZ8MkbVYGNxcDhhe/A6ZKU= In-Reply-To: Content-Language: en-US Bytes: 6782 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 wrote: >>>>>>>> On 3/5/2025 2:17 PM, cyclintom wrote: >>>>>>>>> On Tue Mar 4 21:55:28 2025 Roger Merriman wrote: >>>>>>>>>> cyclintom 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! >>>>>> >>>>>> >>>>> 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. -- Add xx to reply