I am thinking about a new TT bike. In the price range I am in I can get a bike with an Alluminam Frame with Zipp wheels or if I go for a Carbon frame I will have to go with a less expensive Easton Wheel. Assuming the other components used are the same. Which would give me the greater performance the lighter frame or better wheels.
Cycling Equipment · Public discussion
Frame Wt. Vs. ?
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- Cycling Equipment
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- 13 December 2006
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- 13 December 2006
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- ROCYC
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ROCYC said:
I am thinking about a new TT bike. In the price range I am in I can get a bike with an Alluminam Frame with Zipp wheels or if I go for a Carbon frame I will have to go with a less expensive Easton Wheel. Assuming the other components used are the same. Which would give me the greater performance the lighter frame or better wheels.
Assuming your time trials aren't pure hill climbs you should go for good aero wheels over pure weight. The flatter your typical TT courses are and the higher your average speeds get the more important aerodynamics becomes.-Dave
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I am new to TT riding I do ride on flat courses. What speed would you consider a fast speed?
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ROCYC said:
I am new to TT riding I do ride on flat courses. What speed would you consider a fast speed?
Once you get over 22-23 mph the aero advantage just keeps getting bigger. Bottom line is that weight, especially frame weight is all but meaningless in a flat time trial.-Dave
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daveryanwyoming said:
Once you get over 22-23 mph the aero advantage just keeps getting bigger. Bottom line is that weight, especially frame weight is all but meaningless in a flat time trial.
-Dave
+1. In fact, you can go even further and say that unless you're doing a TT up a real steep climb....like >8% or so....then weight still isn't going to hurt.
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Don't look at the frame material, it is all about position. Get the one with the best geometry for you, tt is all about position. Also, get an aero helmet before wheels. They make a bigger difference than the wheelset alone. Then comes skinsuit, but none of that matters if your frame doesn't fit properly. Once again, take good note of the geometry and use a fit calculator like www.competitivecyclist.com
Get the frame that matches the data closest.
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My 2 cents. If you are using your TT bike mainly on a flat course, I would always go for aero and stiffness over weight. Even is there is the odd berg or two it should pay off.
Course at the end of the day the most un-aero thing on the bike is you!
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Tapeworm said:
Course at the end of the day the most un-aero thing on the bike is you!That is also true at the start, middle and anywhere in between. Astiff frame will buy you more time than aero tubing.
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