Originally Posted by
ericm979
That's a lot of miles for a wheel. Congratulations.
Wait until you break two or three spokes. Once they start breaking regularly then it's time to rebuild the wheel.
A wheel with 42,000 miles on it probably needs a new rim due to brake track wear. Unless you love the hubs its easier to buy a new wheel.
+1 - akanasakid - replace if it's just 1 broken. When you get to 3 broken - replace them all. That said the rim is almost assuredly toast. Don't spend the time fixing it if the rim will most likely crack and fail at the brake surface.
remember - rims are considered "consumables" through normal use.