Originally Posted by
jimc101
Would suggest that if you are operating a business as a bike mechanic, and you can't diagnose and fix simple things like gears, it isn't the business for you.
I'd suggest the problem encountered here (if it's actually as described) would stump most folks and your condescension is unwarranted.
Shimano index shifters (DT and bar-end aside) are not simple. In fact, the degree of their complexity is stupid; STI internals are a bad joke compared to Ergo.