I used a set for a year on tri bike don't notice difference from Ultegra on road bike. In fact I switched crank lengths. I have a set of 172.5 arms for sale. Cheap. Email me privately if your interested.. Oh yea, Black looks cool though.

I ride a P3 with head 3 front and back or a Hed disk in back, Profile cranks and the big dura ace chain ring. Don't notice alot of difference but looks sooooo cool

I got a great deal on a pair recently, which I used to outfit my new (yes, new after languishing in old inventory in Malaysia and Thailand) Cervelo P2 (not P2K).

So far, after a half dozen rides, I can't tell any difference between the Profile cranks and the Ultegra cranks I had on my previous tri bike. But from what I read recently, I'm slightly nervous about their reliability. I'm not a huge beast on the bike, but some of those reports about riders snapping three pairs of Profile cranks have shaken my confidence a bit. Does anyone have any good reliability reports to share?

-David in Taipei

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American's are definately infekting the world with there English grammer.