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Wheel Selection – A Point to Consider ?

Posted on Apr 29, 2013

I have discussed this with several of the hard-core Cervelo testers and riders and have come to the conclusion that Wheel selection is as important as frame selection. Meaning that I believe a given frame is designed with a specific wheel in mind. Here’s what happened. I have an R5ca and wore out a set of C24 wheels. I bought a set of C35’s for the bike, but the bike felt dead – felt like a piece of lead being pushed down the road. I seemed to have to labor more to spin the pedals. Went back to C24’s and the bike sprang back to life. It again feels light and very responsive. I could definitely feel a TREMENDOUS difference between these two wheels. I also have a Giant TCR Advanced SL that rides much better with C35’s than C24’s. My opinion is that C35’s are way too stiff for an already stiff (R5ca) frame, and the C35 wheels seemed to throw off the performance balance of the bike. But again, the Giant TCR Advanced SL loves the C35’s...

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Points to consider before tire selection on frame with narrow stays....

Posted on Apr 26, 2013

First off, I am on my second set of tubeless tires. First set was the latest IRC Roadlite Tubeless. Will be doing a review writeup soon. Great tires, now am on Hutchinsons. Once you go tubeless, you dont want to go back. Tubeless ride softer and track better. Going back to a Clincher/tube combination, I found the ride harsh, jolty, bumpy, like riding on a rock. Tubeless are well worth the extra $$. If you don’t have a tubeless wheelset, don’t worry, Stan’s NoTubes has a Tubeless kit and others will be joining soon. Now, back to the issue at hand. Here’s something to think about when guessing if a tire will fit a frame with narrow stays. There is the initial measurement, as well as a ‘900’ mile measurement. Let me tell you what happened. R5ca with Dura Ace 9000 wheels – I have Hutchinson 700×23 Fusion 3 tubeless on the front. Hutchinson 700×25 tubeless Intense on the rear. Long story, but I am testing some tire combinations for a client. After 900 miles, here is what they...

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A Low Cost Laundry Detergent Mixture that Really Gets the Smell Out of Athletic Clothes!!...

Posted on Apr 10, 2013

WHATS IN THE PACKAGE(S): I have been looking for a cost effective solution that will actually work to clean our families bicycle clothes. While in high school, my daughter was in cross country and came home with some foul smelling clothes. Using a powder instead of a liquid is what her coach recommended, but, the clothes were still not 100% fresh. One day, just for the heck of it,  I added some baking soda (equal amount) and this seemed to be the boost that the detergent needed. I have been using this formula for over a year now and this mixture has not had any adverse reaction with the cycling clothes. Clothes now come out of the washer smelling fresh and clean.         +     COST: Energy efficient washing machines recommend using the lower line of the scoop. By doing this, I am getting 80 washes from the Laundry Detergent. The 13.5 pounds of baking soda is good for 200 loads. Combining these, I can do a full load of sports clothes for less than 10...

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Rotor Q-Rings Explained

Posted on Apr 9, 2013

Jeremy asked about Q-Rings. “Why are they better, what makes them work?” I found a youtube video from Rotor/Cervelo Test Team from 2010 that explains this very well <click here> Also, for a more detailed explanation of the actual science behind the Q-rings <click...

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CERVÉLO Rca – EVOLUTION (Official Promo)

Posted on Apr 9, 2013

Quite a few people have asked me for information on the successor of the R5ca. Here is a recent youtube promo I found from CERVÉLO (3/14/2013) Click on the text below. Say hello to the new Cervélo RCA. As stiff as its predecessor, the R5ca, but at an even lighter weight and with reduced aero drag. The RCA is Uncompromised Engineering...

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Designing bicycling’s lightest pro racing frame – The Cervélo R5ca...

Posted on Apr 9, 2013

(Ed. Note: Here’s a feature story from Composites World that the cycling community probably hasn’t seen.) Engineering Challenge: Optimize a racing bicycle design for ultimate performance, using the design flexibility of composites, a suite of analytical design tools and improved manufacturing techniques. Design Solution: Use a unique carbon/epoxy prepreg layup to manufacture the lightest professional bike frame ever produced yet still meet all safety and performance requirements for racing conditions.  (more)...

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