Why is that not advisable? -----Original Message----- From: rbw-owners-bunch@googlegroups.com [mailto:rbw-owners-bunch@googlegroups.com] On Behalf Of Horace Sent: Thursday, December 15, 2011 1:45 PM To: rbw-owners-bunch@googlegroups.com Subject: Re: [RBW] Re: Flat Tire Help
Are you tightening the nut lock all the way to the rim? If so, stop doing that. On Thu, Dec 15, 2011 at 8:17 AM, Sean Whelan <strummer_...@yahoo.com> wrote: > Several years ago, I was using a traditional brass Silca presta pump head (of > the sort that you can buy from Harris Cyclery). It is a great pump head, but > it has no locking mechanism, so it is full on secure with no release. In > fact, it locked so tightly on to the threaded Presta valves that I often > suffered flats at the seam where the valve joins the tube. Not necessarily at > the time of inflation. > > I switched pump heads to a less "tight" fit - including ones with a lever. > (Serfas, SKS, etc.) and the flat problem went away. > > When you pump up, is there a lot of friction to remove the pump head? > > Thanks, > Sean > > --- On Thu, 12/15/11, Philip Williamson <philip.william...@gmail.com> wrote: > >> From: Philip Williamson <philip.william...@gmail.com> >> Subject: [RBW] Re: Flat Tire Help >> To: "RBW Owners Bunch" <rbw-owners-bunch@googlegroups.com> >> Date: Thursday, December 15, 2011, 10:36 AM I had a string of tubes >> failing at the valve stem. I think it was caused by the tube creeping >> when the tire pressure was too low. >> Sometimes it was a hole, sometimes it was more like the valve >> attachem started peeling up. Hard to patch a tube that close to the >> valve stem. >> >> Do you see your valve stems cocked over at an angle? That's what I >> was seeing on my mountain bike. I started being more careful about >> proper inflation, and started using the dork nuts instead of keeping >> them for >> M6 spacers. I haven't had that problem since. >> >> Philip >> Philip Williamson >> www.biketinker.com >> >> >> On Dec 15, 5:25 am, Michael Hechmer <mhech...@gmail.com> >> wrote: >> > Yikes, front tire flats are scary; I hope these were >> slow leaks. Is the >> > stem breaking away from the tube? Are you using >> tubes with threaded stems >> > and a locknut? I know a lot of mechanics throw away >> that locknut, claiming >> > its superfluous, but I believe it helps to keep the >> tube in position, at >> > least during installation. Do you have, or can you >> borrow a different >> > front wheel and test your rim hypothesis? >> > >> > michael >> >> -- >> You received this message because you are subscribed to the Google >> Groups "RBW Owners Bunch" group. >> To post to this group, send email to rbw-owners-bunch@googlegroups.com. >> To unsubscribe from this group, send email to >> rbw-owners-bunch+unsubscr...@googlegroups.com. >> For more options, visit this group at >> http://groups.google.com/group/rbw-owners-bunch?hl=en. >> >> > > -- > You received this message because you are subscribed to the Google Groups > "RBW Owners Bunch" group. > To post to this group, send email to rbw-owners-bunch@googlegroups.com. > To unsubscribe from this group, send email to > rbw-owners-bunch+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/rbw-owners-bunch?hl=en. > > -- You received this message because you are subscribed to the Google Groups "RBW Owners Bunch" group. 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