Join Date: Aug 2009
Location: Washington, the state
Figure something like 30,000 km or longer if the chain has been properly lubed.
You can look at the pads and see the thickness of the friction material. You're good down to about 2 mm.
"Older people who are reasonable, good-tempered, and gracious will bear aging well. Those who are mean-spirited and irritable will be unhappy at every period of their lives.
"Let each of use properly whatever strengths he has and strive to use them well. If he does this, he will never find himself lacking."
Marcus Tullius Cicero