Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail From: Catrike Ryder Newsgroups: rec.bicycles.tech Subject: Re: Front derailleur issues Date: Wed, 16 Apr 2025 13:45:59 -0400 Organization: A noiseless patient Spider Lines: 113 Message-ID: References: <9t4svjtnmcirkcil3q0um3ar28l8vl5bng@4ax.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Injection-Date: Wed, 16 Apr 2025 19:46:03 +0200 (CEST) Injection-Info: dont-email.me; posting-host="ff7e5d5bbe53909e9ef2fa671785fd47"; logging-data="2877777"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX18TKLrYVxFW8/QJYl9cB4XOozZ8vabIKH4=" User-Agent: ForteAgent/8.00.32.1272 Cancel-Lock: sha1:Cgszo4Jm6VqqnNEcTQhS0fSy++I= Bytes: 6077 On Wed, 16 Apr 2025 12:32:45 -0500, AMuzi wrote: >On 4/16/2025 12:02 PM, Catrike Ryder wrote: >> On Tue, 15 Apr 2025 12:52:29 -0400, Catrike Ryder >> wrote: >> >>> On Tue, 15 Apr 2025 09:35:51 -0400, Catrike Ryder >>> wrote: >>> >>>> On Tue, 15 Apr 2025 07:44:11 -0500, AMuzi wrote: >>>> >>>>> On 4/15/2025 3:18 AM, Catrike Ryder wrote: >>>>>> On Mon, 14 Apr 2025 20:11:59 -0500, AMuzi wrote: >>>>>> >>>>>>> On 4/14/2025 6:53 PM, Catrike Ryder wrote: >>>>>>>> >>>>>>>> After several rides where I stopped to fine tune my old Microshift >>>>>>>> deraileur, I rode today without touching it. It performed all shifts >>>>>>>> up and down quietly with no problems. >>>>>>>> >>>>>>>> "So, my wife asked when I relayed that to her, are you going to return >>>>>>>> the new one that's due here tomorrow?" >>>>>>>> >>>>>>>> "Of course not," I answered. "I will rip the old one off and install >>>>>>>> the new one that's designed for a big ring of 50 teeth." >>>>>>>> >>>>>>>> The old one sits way to high above the 50 tooth ring, and even though >>>>>>>> it's never overshifted the chain off the outside in my tests, it's >>>>>>>> just wrong..... >>>>>>>> >>>>>>>> I also have an idler making noise. I think it's bearings are shot. The >>>>>>>> Catrike will go back on the repair stand tomorrow without my proposed >>>>>>>> modifications. The parts for that are not here yet. >>>>>>>> >>>>>>>> -- >>>>>>>> C'est bon >>>>>>>> Soloman >>>>>>> >>>>>>> Most common roller noise is a dry sleeve. It's just a simple >>>>>>> journal, often steel on steel, which will show a bright red >>>>>>> dust if it's been run dry. >>>>>>> >>>>>>> Better designs are steel on bronze or oilite bronze and some >>>>>>> are ceramic sleeves. All of them run better, quieter and >>>>>>> longer with some oil on the sleeve. >>>>>>> >>>>>>> There are miniature cartridge bearing models which are >>>>>>> seldom noisy and run a very long time with factory grease >>>>>>> under the seals. >>>>>>> >>>>>>> Replacement is seldom necessary. Clean out the crud and oil it. >>>>>> >>>>>> THis idler is very old. It's one without teeth and on the return path >>>>>> It used to be mounted between the bottom bracket and the crossarms, >>>>>> and now it's the first one from the rear deraileur. It seems to be >>>>>> wobbling on it's mount, so I suspect it's shot. I'll check it today. >>>>>> >>>>>> -- >>>>>> C'est bon >>>>>> Soloman >>>>> >>>>> Ah, a mounted chain idler, not on a derailleur. >>>>> Some low end models are steel on nylon and those don't last >>>>> well. And yes, if it's flopping side to side just replace it. >>>> >>>> I get them from TerraCycle >>>> https://t-cycle.com/products/sport-return-idler >>>> ...and they are very high quality. FWIW, I recommend their products. >>>> >>>> I replaced the bearings on the original toothed drive side idler many >>>> years ago, and it survived to where I finally retired it with the >>>> teeth worn down to sharp little points. Somewhere I've got a packet of >>>> the bearings and if it looks like I can replace it, I will, but from >>>> what I saw when I stopped to check on it, the bearing appeared to be >>>> loose and the idler body is flopping around on it. >>> >>> Simple fix. I disassembled the idler and found the side of the bearing >>> I couldn't see all rusty and coming apart. I found the one remaining >>> bearing in my stash and put it in. Now it works fine. I guess I'd >>> replaced more than the one I mentioned, or else I lost some of them. >>> >>> FWIW, the bearings are skateboard bearings. I ordered some more.. >>> >>> https://www.amazon.com/dp/B08L8795LS?ref=ppx_yo2ov_dt_b_fed_asin_title >> >> The new Microshift 50/39/30 front derailleur came in this morning and >> it took me 45 minutes to change them out and get the new one dialed >> in. I know the guys who do that regularly could have done it in half >> the time, but that I had no trouble was good for my ego after all the >> problems I had getting the old 53/39/30 derailleur to work. >> >> -- >> C'est bon >> Soloman > >Yes, faster usually, but we cheat. > >We move work so it's between elbow and shoulder, in a good >light, and we can work from either side. Recumbents just >take more time. I moved the Catrike & workstand out into the sunlight so I had good light, and with the bottom bracket sticking way out in front, swapping sides was very easy. No, it was my inexperience that made it take so long. The last few parts for my workstand modifications will get here Friday, so that's another project. I'm going to put it on locking castor wheels and make it height variable. -- C'est bon Soloman