Joined: Apr 2010
Posts: 13,497
Likes: 943
From: Boston-ish, MA
Bikes: 72 Peugeot UO-8, 82 Peugeot TH8, 87 Bianchi Brava, 76? Masi Grand Criterium, 74 Motobecane Champion Team, 86 & 77 Gazelle champion mondial, 81? Grandis, 82? Tommasini, 83 Peugeot PF10
I didn't vote. You need more options!
It depends on how you intend to use the bike. The Simplex will work and yeah they will rock. But they may break. Well, anything can break (I had a Suntour Cyclone go south on me, fortunately only 2 blocks from home; I once had a brake cable break, only 6 blocks from home), but the Simplex may be more prone to breaking. If you intend to ride hard and far you should probably go with the Suntour. If you will mostly be cruising where you won't end up stranded, unable to ride home, then rock on. Either one will work sufficiently well.
BTW, Simplex shifters with Suntour derailleurs is an interesting combination. Suntour was designed to use more cable movement per shift. So if you use Simplex levers you'll have to move the lever much farther. However this gives you much finer control over the derailleur position, not a bad thing!
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Real cyclists use toe clips.
With great bikes comes great responsibility.
jimmuller