Join Date: Apr 2010
Location: Vlaamse Ardennen, Belgium
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The tachyon has a 30-42-52 crankset, which is nice, but only if you do speeds on the flat above about 18 mph.
If you are not going to do any speeds above that, there's little point in getting a "race" style crank.
I don't see why the components on the tachyon should be crappy ... they are about on par with the sirrus.
In fact some are even better, like the cassette that is better on the tachyon than it is on the sirrus.