Originally Posted by kimpw

Nice. Sunrace has quality thumb index shifters that I like (very cost effective), but they are Shimano compatible only. I like thumbies a bit better than trigger shifters, just my opinion though.

Have you thought about friction shifting? A set of Suntour Powershifters, or old downtube on thumbies? I have friction shifters on my commuters after switching from index. Easy to set the rear derailleur, and it shifts smooth, and almost no maintenance required.