50mm F, 50mm R
50mm F, 60mm R
50mm F, 80mm R
44mm F, 80mm R
i'm c. 76kg, on 53mm rims in 35+kph winds with gusts it's generally ok on the flat, but fast twisty descents, especially with traffic, can be nasty and i slow way down; it can also get interesting if i catch air while in a side wind, the bike gets blown off-vertical under me
if you'll be riding windy conditions, i'd go with a smaller front - zipp claim their firecrest 202 performs as well as older-design 40-50mm rims and they should handle much better in the wind
bm0p700f wrote:In strong gust shouldn't we be slowing down anyway so it only a problem if you are trying to be a hero and arry on like there is no wind.
It isn't that easy to predict when a big gust of wind is going to hit. If you were to slow down for any threat of strong wind gusts in my area you just wouldn't ride in the spring or fall. Even at 15mph a 30+ gust can be pretty scary, especially on deeper rims.
I had a look through some photos of the '11 Tour, and noticed Cav's wheel choice was a 50mm front and 60mm rear. If its good enough for the best sprinter in the world, it will be good enough for me. Even though he is sprinting as opposed to time trialling on them.
Thanks for all your help! If anyone rides this combo, please can I have some of your feedback.
http://www.spinlitecycling.com/ZippAeroEdgeFlyer.pdf" onclick="window.open(this.href);return false;" onclick="window.open(this.href);return false;
The time gain (watts reduced) running the next size deeper rear was very, very small.....yet you gain well over 100 grams in weight at the rear rim. Run the next size deeper both front and rear (say 808s vs 404s) the weight gain is like a half a pound all at the rims. I then checked out pics of what the pro's were riding last and this year at the major stage races.....very rarely is it greater than 50's. And when I did see an occasional sprinter bike with a larger than 50's wheel it was the rear only.....and then after losing the sprint that day, then next day in similar terrain that rider was back to 50's front and back again.....
My take away, if you do steady rides in good light wind (TT/solo or small group friendlies) then go for it as a special once in a while wheelset. If you have rides with accelerations, wind variables, want to use most days, etc I'd stick with 50's for day in and out use in all sorts of conditions.
And I am not too keen on running a super deep rim on the front and shallow on the back, because not only does this adversely affect handling, it also looks ridiculous. And not the good ridiculous. I mean I want it to look cool too right?
The deeper wheels are my everyday set. In all but the most extreme winds, they're fine. In extreme winds, it's pushing me sideways as much as my wheels. I just don't worry about which wheels are mounted when its windy.
I think you'll be fine with any of your choices.
Post pics of your new wheels when you get them.
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