Chains for 6-7-8 speed service are usually easy to find on sale so I stock up a few at a time. I've never broken a chain but have never pushed one beyond maybe 5k-6k miles in a mild, dry climate. I have worn out rings and cogs. Since 8 speed stuff is becoming increasingly scarce, I've started changing chains every 2-3k miles, regardless of measurement. Riders in wet climates such as Seattle have mentioned changing every 1k miles to prolong cog & ring life. Chains are comparatively cheap and easy to change. Also, that factory lubrication is better than anything we can do.
dougP On Aug 30, 8:33 am, PATRICK MOORE <bertin...@gmail.com> wrote: > On Mon, Aug 30, 2010 at 8:29 AM, William <tapebu...@gmail.com> wrote: > > 1/2" per foot. Wow. I was brought up by some pretty fastidious > > mechanics. I was taught in the early 80's 2000 miles or 1/8" per > > foot, whichever comes first. Perhaps that's the reason I have always > > stocked up on chains and have never replaced a cogset or chainring due > > to wear in my life. > > How many miles on those rings and cogs? I've got 10K+ miles on the > single 46 t Cyclotourist (old mfr) ring and almost that much on the 15 > t Dura Ace track cog; the cog is fine, the ring is showing the > beginning of "hook" where the backside of the troughs wears from the > rollers. (No sign of deterioration in performance, though. I check my > chains regularly and have changed that on this bike at least 3 times; > how long do *you* get between that 1/8" stretch? -- 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-bu...@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.
