much like your softride:
http://www.titanflexbikes.com/

ultra thin seat stays for comfort, and plenty of stack if you need to ride more upright:
http://www.cervelo.com/en_us/bikes/2011/RS/

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Kat Hunter reports on the San Dimas Stage Race from inside the GC winning team
Aeroweenie.com -Compendium of Aero Data and Knowledge
Freelance sports & outdoors writer Kathryn Hunter

Are you sure your fit is good on the road bikes you currently have?

Assuming your fit is good, I would just invest in some tubeless wheels that allow you to run tires at 80 psi. I really doubt your frame is the issue....

hmm, but then you are slowing yourself down to be comfy when a titanflex could still run pressures optimal for rolling resistance, and better tires =)

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Kat Hunter reports on the San Dimas Stage Race from inside the GC winning team
Aeroweenie.com -Compendium of Aero Data and Knowledge
Freelance sports & outdoors writer Kathryn Hunter

The Litespeed Xicon is a very comfy riding bike and is still race capable. But i agree you shoudl have your fit checked to make sure that is not the cause of your pain.

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This is your life, and it's ending one minute at a time. - Fight Club
Industry Brat.

My fit is great. I set it up and my fit and adjustments were checked and confirmed by John Cobb.
I want a road bike (USCF legal) so I can do some road races. Otherwise, I would get a Titan Flex or another Softride.

Other ideas?

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Habitual line stepper.

Nothing wrong with looking for a compliant frame, but we are talking a matter of a ~1-3 mm difference in terms of how much the frame flexes over a huge bump. I'm sorry to bear bad news but that will not save your back.

Tires/wheels can help as someone else mentioned, as those will probably flex more than your frame.

The huge key for me was getting a good fit. I thought I had a great fit- I was putting out alot of power and could climb great. However, I can totally relate on the back spasm issue! I got a Wobblenaught fit, not saying it would work for everyone but it worked PERFECTLY for me.

-Physiojoe

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-Physiojoe
Instagram: @thephysiojoe
Cycling coach, Elite racer on Wooster Bikewerks p/b Wootown Bagels

the titanflex would only be illegal in a few usac races:


races other than those, it is legal

and yeah, sometimes a 1cm upward move with the bars can solve lower back problems, worth at try

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Kat Hunter reports on the San Dimas Stage Race from inside the GC winning team
Aeroweenie.com -Compendium of Aero Data and Knowledge
Freelance sports & outdoors writer Kathryn Hunter

So, if I understand correctly, a Softride and a Titan Flex are legal for USCF road races if it is not a USCF National Champioship race? If so, COOL!

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Habitual line stepper.