Yes, Jeremy, the tiny gap between the fender material and the underside of the brake caliper either demands a bigger gap with a dimple, or needs to be taken to zero with a squishy shim material that will quiet things. Those two options will be in the suggestion box.
BL in EC On Friday, December 14, 2018 at 1:05:17 PM UTC-8, Jeremy Till wrote: > > I ran into a similar issue with the super skinny Honjos over Ruffy Tuffies > that came on the used Rambouillet I bought over the summer: > > <https://farm2.staticflickr.com/1815/43894877631_4d2ab4479f_k.jpg> > > When first had the bike, the front fender would rattle over everything. I > spent some time in the garage in September and now it doesn't, although I > can't say exactly why. I changed two things: > > 1. I tweaked the fender line and alignment so that it followed the wheel > better and was straight over the tire (when I first got it, the front part > of the fender curved off to one side). > 2. I put a couple of layers of electrical tape over the fender right where > it passed under the brake, figuring it might help to dampen vibrations if > there was contact there. > > The fender is quiet now. I can't say if 1 or 2 made the difference. > Knowing Bill, he's probably already done #1 as much as possible. Maybe #2 > might help? > > The only thing that still rattles on the Rambouillet are my preferred > Klean Kanteens in the beautiful but flimsy Nitto bottle cage. It may get > swapped for a King Iris at some point but it's a shame not to use such a > nice looking cage on a nice looking bike. > > I might still try a second set of stays for the fender forward of the > fork, as there's a lot of overhang there and the fender still vibrates a > lot over bumps even if it's quiet. The fender already has a hole up there > suggesting somebody did so, or attached it to a front rack, before. > > On Friday, December 14, 2018 at 11:02:58 AM UTC-8, Bill Lindsay wrote: >> >> [image: IMG_1240.jpg] >> >> >> The rain has finally come to California, which triggered a couple new >> aluminum fender installations in my stable. My 57cm Leo Roadini was one of >> the bikes to get new aluminum fenders. Velo Orange has their really skinny >> ones on clearance, so I gave it a shot. In order to maximize tire >> clearance I also switched to skinny Soma New Express tires, which measure a >> true 27mm on really narrow rims. The tires are labelled 700x28. The >> fender lines turned out well, and they were silent in the stand. I'm >> really happy with how the bike looks with black aluminum fenders. >> >> But...The front fender is super noisy. In order to get good tire >> clearance, I needed to run it way up close to the brake caliper, and every >> little vibration caused that tiny gap from fender to brake caliper to >> rattle. It was pretty annoying. It had me thinking that since my stable >> of bikes is pretty huge, not every bike has to have fenders. I could >> afford to have a stripped down road bike without fenders and use it only on >> dry days. It also had me thinking that skinny fenders are just not very >> good. I've also got a couple modification ideas. That front extension of >> the front fender doesn't really get me anything, and it really is kind of a >> floppy diving board in this flimsy narrow width. I could modify the >> fenders to make that extension a lot shorter. I think I could shorten it a >> fair bit in back as well and elevate where the stay mounts to stiffen up >> that section a little bit more. >> >> The good news from this 40 mile commute this morning is that the skinny >> 700x28 New Express tires rode just fine for me. I was worried that my fat >> Compass Tire leanings were going to make me hate skinny tires. They seemed >> fine. >> >> Bill Lindsay >> El Cerrito, CA >> > -- You received this message because you are subscribed to the Google Groups "RBW Owners Bunch" group. To unsubscribe from this group and stop receiving emails from it, send an email to rbw-owners-bunch+unsubscr...@googlegroups.com. To post to this group, send email to rbw-owners-bunch@googlegroups.com. Visit this group at https://groups.google.com/group/rbw-owners-bunch. For more options, visit https://groups.google.com/d/optout.
