This series of posts had prompted me to consider the "hop" in a pair of wheels (650B Velocity Synergy rims with Nifty Swifty tires). After reapplying the tires, adding extra rim tape, teflon lubricating around the bead, etc I could not get the hop out of that rotating wheel. Applied a new pair of tires, (Hutchinson) that I had in reserve the hop magically disappeared. Go figure. Tim Petersen
On Wednesday, June 24, 2015 at 6:29:45 PM UTC-5, Michael Hechmer wrote: > > After many hours of effort I'm not sure I'm closer to solving this > problem. And I'm no longer sure it's 100% a rim problem. > > A careful examination of the new pari-moto front tire on my Trek revealed > that the colored line that I was advised to keep constant around the rim > was itself not a constant distance from the bead. At a point about 90 > degrees from the label, near the inflation label, it dived to near zero. > After a couple of tries at centering it and retesting (I live 3 miles > from pavement so this was a bit arduous and time consuming) I identified a > tiny ridge running parallel to the bead and also that this ridge was level > with the rim on the two wheels that seem to be working OK. I took a pen > and inked a line at the top of that ridge, then I mounted the tire by first > exposing the ink line and then pushing it slightly in. The second try of > this quieted the tire about 80 - 90 %, which was enough to allow me to > perceive the thumping in the rear tire. I then ran a test on two bikes > with all but one of the permutations of wheels of wheels & bikes. (I > couldn't put the Saluki rear wheel with a 135mm Deore onto the Treks 130 > mm drop outs but I could convert the 130 mm White to 135 and put them on > the Saluki). At the end of this I realized three things. Both the front > and rear tires on the Deore/Synergy rims were basically Ok; both front and > rear on the White/Synergy rims were misaligned; the rear tire on the > White/Synergy wheel also showed a half inch slice in the side wall, right > at the rim. > > I think the next up is replacing the rim tape on the White/Synergy wheels > with HB tape, if I fin I have enough and it will fit. I am also > considering replacing the pari-motos on the Saluki (even though they are > fine) with Compass 41 mm tires and then replacing the worn rear tire on the > Trek & keeping the other as a spare. > > Up till this I have really liked the pari-motos. Living out in the > country I don't encounter a lot of debris, just a lot of rough roads and > these tires have been great for me. > > Michael > > On Thursday, June 18, 2015 at 4:59:32 PM UTC-4, Michael Hechmer wrote: >> >> Thank you. We are heading out tomorrow for three days of the Saranac >> Tandem Rally, so this problem will wait at least till Monday. Thanks for >> the lead to Jan's blog. He wrote: "*Do not ride a poorly seated tire! *The >> tire could come off the rim and cause a crash." >> >> I'm glad my survival instincts kicked in. When I'm going downhill at >> 35mph I want everything to be perfect, so as soon as this happened I turned >> around and headed home. >> >> Michael. >> >> On Thursday, June 18, 2015 at 4:14:45 PM UTC-4, Steve Palincsar wrote: >>> >>> On 06/18/2015 03:17 PM, Kieran J wrote: >>> > I've been having a dickens of a time trying to get Hetres to mount >>> > round and true on an A23 tubeless-ready rim (with a tube). My next try >>> > was going to be on a Synergy wheel I have, but it sounds like this >>> > type of behaviour happens on those as well. >>> > >>> > Is the lumpy supple tire syndrome something that people just deal with >>> > and/or have simply accepted that soapy water, 10 minutes of massaging >>> > and adjusting, etc. are what's needed to put a tire on? >>> > >>> > >>> >>> >>> It's the rims, not the tires. >>> >>> >>> -- 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 http://groups.google.com/group/rbw-owners-bunch. For more options, visit https://groups.google.com/d/optout.
