Lucky indeed. That's why I do the opposite and "size up" on tubes, as they run small. The bikes that run 30mm and 32mm tires get "35mm" tubes which pretty much don't have to stretch any at all to fit the tire carcass. They aren't bunched up in there either. ;-) Utterly reliable.
On Oct 13, 9:24 am, Peter Jon White <[EMAIL PROTECTED]> wrote: > You've been a bit lucky. It depends on the tube, and it depends on how > accurately the tube manufacturer labels the tubes for sizing. Where > you run into trouble is at the valve. The valve acts as a stress riser > because the rubber at the valve has to stretch more than other parts > of the tube. > > On Oct 13, 7:30 am, bullcitybiker <[EMAIL PROTECTED]> wrote: > > > Famous wrench Jim Langely recommends using tubes one-size smaller to > > make it easier to change a tire. I picked > > up his tip a couple of years ago and have had good success: no > > increase in flats, and when I do flat, I can change > > the tube with no levers. I run 18/23 tubes in my Conti 25s and 28s. > > > Branson > > >http://www.jimlangley.net/wrench/flattiretwo.htm > > > On Oct 12, 6:48 pm, [EMAIL PROTECTED] wrote: > > > > > It's just a list of other tubes that Michelin makes. Think of it as a > > > > bit of advertising. It's a very bad idea to use inner tubes designed > > > > for skinny tires in fat tires. Use those tubes in the tire sizes > > > > they're rated for; 18mm to 23mm. > > > > I agree that it's not a good idea in the long term. But I've found that > > > carrying one spare which is skinny often makes it easier to change a tube > > > beside the road, especially in difficult conditions (rain, high heat, > > > etc.). I seem to be less likely to pinch the tube when it's on the small > > > side (maybe one size) for the tire. > > > > Of course you're supposed to swap out the skinny tube for one of the right > > > size when you've stopped for the night. Something I sometimes even > > > remember to do. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Bicycle Lifestyle" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/bicyclelifestyle?hl=en -~----------~----~----~----~------~----~------~--~---
