Path: ...!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: RE: Re: Disc Compatibility? Date: Thu, 6 Mar 2025 12:59:48 -0500 Organization: A noiseless patient Spider Lines: 56 Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Date: Thu, 06 Mar 2025 18:59:49 +0100 (CET) Injection-Info: dont-email.me; posting-host="e3a311516feb02ba7522a563237848ea"; logging-data="3217271"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1/Pyi048VoAE7tm3tjJ8Lh65RMwefG+YwU=" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:RtWHjywm/NqSJSoclT72XM8/4UU= In-Reply-To: Content-Language: en-US Bytes: 3293 On 3/6/2025 11:57 AM, cyclintom wrote: > On Thu Mar 6 06:04:53 2025 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. > > > > > You are very effective at saying "duhhhhh". Not nearly as effective as "mr. light lines". > When are you going toi tell us that you have a PhD in metalurgy? About the same time I tell you I rode 200 miles in one day. -- Add xx to reply