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How many miles on a chain?(6 posts)

How many miles on a chain?montavi
Aug 26, 2002 8:09 AM
How often should i replace my chain? I keep it pretty clean and never really ride in any bad conditions.

How about for MTB in average dry/dusty conditions?

re: How many miles on a chain?jtolleson
Aug 26, 2002 10:00 AM
The only way to really know if a road chain needs replacing is to measure 12 inches, which should land on a pin at each end. If you are falling short, that means the chain has elongated and should be replaced.

Barring that, chains are cheap and I tend to swap them during annual tunes, which turns out to be every 3,000 miles. A lot of folks would say that is too soon, but it is convenient, sooooo.
3000 sounds plausible to me.dzrider
Aug 26, 2002 11:38 AM
I use a Park tool to measure and don't count miles. Riding in the rain seems to hasten their demise. I'd rather do them a little to early than a little too late so my cassettes last 3 or 4 chains.
re: How many miles on a chain?cyclopathic
Aug 26, 2002 11:41 AM
depends on what chain and how often you clean it/what lube use. 5k easy for road, ~600mi for dry/dusty MTB
re: How many miles on a chain?Rich_Racer
Aug 26, 2002 12:07 PM
Aren't you supposed to measure it and if the link distance has stretched by 1/8th of an inch or more then it's time to replace it. I think this happens after 2000-3000 miles on most atandard chains - although it would depend on use.



p.s. I just replace mine every 2000 miles!
1/8" is too latecyclopathic
Aug 26, 2002 4:46 PM
replace when it stretches to 1/16" on 12". If you keep it to 1/8" you wear cogs and chainrings.

diff chains last diff miles, still lube has to do with it too. I've tried dry lubes and wore MTB chains in 200mi. Oil based (shameless plug for Pedro wet lube) keeps chains going for longer. With Pedro I had put 400mi road rides w/o re-application and there was no noise at the end; 2K chain doesn't measure any stretch.

Not that it is a big deal to replace the chain I am partial to Wet Lube because there's one thing less to carry on long rides. Must say it is really messy, so pls no comment on my chainring tattoos 8-P

keep the rubber side down,