Check out this thread http://forum.slowtwitch.com/...p2k%206%20feet;#8967

This person is close to your size.

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"your horse is too high" - tigerchik

6' with a 35 inseam is unusual. Pretty much means you have a short-ish torso, which means you need a short-ish top tube. I am 6'0 with a 34" inseam and was fitted on a 55cm, 78 degree frame with a 530mm top tube. The P2K that has the same top tube in this geometry is a 54 with 650c wheels.

A friend of mine is 6'0 with a slightly shorter inseam and was fitted on a 55cm Caliente with a 540mm top tube.

You could probably get the 55cm to fit if you ride it at 78 and shorten the stem a little. I would steer clear of the 58 - it will be way too big.

Couple more things that may help. Was your old bike a tri bike? Did it fit? If so, why don't you post the top tube length, stem length, seat height and the arm rest drop and seat tube angle. If Tom is still in town, he may be able to confirm the frame size based on this info.

Totally agree here. I'm 6 foot exactly, 88cm inseam and ride a 55cm P2K (700c) - fits me like a glove riding at around 77 degrees but needs a shortish stem. The 58cm was way too long, if you have to choose either size blind then I'd definitely be going for the 55cm.

Enjoy!!!

Thanks for comments posted. It's very likely the inseam measurement is a bit wrong - very tricky to do solo in a hurry! Further comments. Using 700c wheels. Old seat tube was steep, I was never certain about the cockpit length.

55cm is what I'm tending towards, just nervous about ending up with the frame too small.

Don't know about the P2k, but I'm 5'8" and ride a 52c P3 w/700's.

I was fitted for a P2K a week ago. I'm 6', about 34" inseam, and we went with the 58 using 76 degree seatpost.

Ken Lehner

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"Go yell at an M&M"