This matches my experience. I bought the G.B. Cerf and they "grew" from 27 to 29 mm after about 1 or 200 miles. The 27 fit my old racing bike, the 29 didn't! I love them on my Ram though.
Michael On Tuesday, June 10, 2014 8:52:09 PM UTC-4, joe b. wrote: > > Hi Anne, > > Also keep in mind that tires (it SEEMS like especially light, supple ones) > grow in width over the first couple hundred miles. Don't be surprised if > the GBs relax out to 32 or close after some riding. > > Best, > joe broach > portland, or > > > On Tue, Jun 10, 2014 at 5:31 PM, Anne Paulson <[email protected] > <javascript:>> wrote: > >> It's 6% in diameter, but that makes 12% difference in volume, which is >> what we care about. >> >> >> On Tue, Jun 10, 2014 at 4:56 PM, Deacon Patrick <[email protected] >> <javascript:>> wrote: >> >>> That's about a 6% discrepancy, which certainly seems reasonable given >>> different rim widths and tire stretch. >>> >>> With abandon, >>> Patrick >>> >>> >>> On Tuesday, June 10, 2014 4:52:31 PM UTC-6, Anne Paulson wrote: >>>> >>>> If you order some of Jan Heine's tires, be aware of a size discrepancy. >>>> >>>> I just got a couple of his Grand Bois tires, which are sold as 700 x >>>> 32mm. I knew they were made by Panaracer, and I have used the Panaracer >>>> Pasela 32mm and the Jack Brown 33mm tires, so I figured I knew what to >>>> expect. When the tires arrived, they looked narrower than I expected. >>>> Then, >>>> when I opened them up, they were labelled 700 x 30. Then, when I mounted >>>> them on my Mavic Open Pro rims, they measured 30mm wide. >>>> >>>> When I asked Jan, he explained that he has a different system of >>>> measurement, and according to his measurement system (mounting them on >>>> some >>>> rim or other) they measure 32mm. >>>> >>>> So, expect the Grand Bois tires to be narrower than other tires sold >>>> with the same width. >>>> >>>> -- >>>> -- Anne "Standards are good, everyone should have one" Paulson >>>> >>>> It isn't a contest. Enjoy the ride. >>>> >>> -- >>> 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 [email protected] <javascript:>. >>> To post to this group, send email to [email protected] >>> <javascript:>. >>> Visit this group at http://groups.google.com/group/rbw-owners-bunch. >>> For more options, visit https://groups.google.com/d/optout. >>> >> >> >> >> -- >> -- Anne Paulson >> >> >> It isn't a contest. Enjoy the ride. >> >> -- >> 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 [email protected] <javascript:>. >> To post to this group, send email to [email protected] >> <javascript:>. >> Visit this group at http://groups.google.com/group/rbw-owners-bunch. >> For more options, visit https://groups.google.com/d/optout. >> > > -- 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 [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/rbw-owners-bunch. For more options, visit https://groups.google.com/d/optout.
