>You would be foolish to not take Frank up on his offer. The 60 day guarantee is for real, and there is no way you could possibly end up any slower, barring an accident (which could just as easily happen on normal cranks).

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I can't believe this thread. It sounds like Frank's Cranks Anonymous. Khai, you just told someone to go out and spend US$1500 on cranks. You seem convinced they will help him, but you don't say if you've used them and benefited from them yourself. You offer no empirical or even anecdotal evidence that PC's work, and your post sounds like the opposite of its title.

Have you used them? And are they worth all those greenbacks? That's a lot of clams! Actually, I have no doubt that they do work, but for someone averaging 15 mph on a 4 year-old road bike, who already has a CompuTrainer, wouldn't a decent tri bike with a great fit get him in the saddle enough and make the most of his power to be more cost-effective for his needs? He can work on his SpinScan numbers, do focused trainer sessions and improve tremendously between now and IM Lake Placid. Does he really need another training tool when he's already got a CompuTrainer? I'd say no.

For the same US$1,500 I'd get a great tri frame like the Cervelo One plus a professional fitting for a maximum of a couple hundred more. And I'd buy a copy of the Triathlete's Training Bible and maybe sign up with a service like multisports.com or trainingbible.com instead. I agree with the other poster who said Frank would sell a whole lot of the PC's if the price came down to under $500. For that kind of investment, which is still sizable, I'd try them. But for more than the cost of the bike I'm currently rocking on, no freaking way!