Originally Posted by
steve53mg
I too have had STI (Ultegra) STI levers fail in less than 10K miles.
I've been using the same set of Ergopwer levers on my tandem since about 1998. It's only 8 speed but the levers has about 25-30KM+ of usage. I should ask my mechanic to replace the spring and ring thingie inside soon. I don't know about current Ergopower levers but I would hope they would last just as long when I need to replace the current set.