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-   -   Testing New Wheels (https://www.bikeforums.net/road-cycling/875335-testing-new-wheels.html)

Clipped_in 03-13-13 04:42 PM

That article is a good read, so I started a new thread referencing it: LINK

Banzai 03-13-13 06:10 PM

The math on vertical deflection of a properly built wheel has been done. Thickness of a sheet of paper difference when varying spoke patterns, rims, etc. There are differences, but below the threshold of perception.

Lateral deflection of a wheel is a function of appropriate build for weight/power. If you flex your wheel around, you have the wrong wheel. Or it simply wasn't built right.

Ride "quality" being largely a function of acoustic feedback mostly applies to frames. Normalizing for tires, the differences between most frames in terms of "quality" (harsh/smooth/etc) is largely below a real tactile perception threshold. Most humans are, however, profoundly synesthetic beings. Hit the same rough patch of road with two different bikes, and most of your idea of the perception of the ride "quality" will be a function of the acoustic feedback paired with the physical perception. Not to mention whatever cognitive preconceptions have been "pre-loaded" from the marketing literature and the optical qualities of the bike.

Lateral flex under power, or torsion about the bottom bracket, is quite real. What is disputed is if it makes any real difference in terms of "power to the pavement" provided that the lateral flex isn't so severe that friction (brake rub, etc) is being introduced to the system.

People get really angry about these notions too, and I don't understand why.

bianchi10 03-13-13 06:40 PM


Originally Posted by Banzai (Post 15383314)
The math on vertical deflection of a properly built wheel has been done. Thickness of a sheet of paper difference when varying spoke patterns, rims, etc. There are differences, but below the threshold of perception.

Lateral deflection of a wheel is a function of appropriate build for weight/power. If you flex your wheel around, you have the wrong wheel. Or it simply wasn't built right.

Ride "quality" being largely a function of acoustic feedback mostly applies to frames. Normalizing for tires, the differences between most frames in terms of "quality" (harsh/smooth/etc) is largely below a real tactile perception threshold. Most humans are, however, profoundly synesthetic beings. Hit the same rough patch of road with two different bikes, and most of your idea of the perception of the ride "quality" will be a function of the acoustic feedback paired with the physical perception. Not to mention whatever cognitive preconceptions have been "pre-loaded" from the marketing literature and the optical qualities of the bike.

Lateral flex under power, or torsion about the bottom bracket, is quite real. What is disputed is if it makes any real difference in terms of "power to the pavement" provided that the lateral flex isn't so severe that friction (brake rub, etc) is being introduced to the system.

People get really angry about these notions too, and I don't understand why.

Please don't take offense to this, but...

I will be the first to say that my comprehension level isn't the highest, but seriously when I try to read your comments, my brain goes numb before I can finish. Once finished, I have no idea what I just read. Feel free to dummy it up a bit every now and then.

ruindd 03-14-13 11:11 AM


Originally Posted by vesteroid (Post 15329698)
Jude is awesome. I can say I am pretty much convinced to sell my powertap enve 45 with g3 hubs in favor of another set of her hedc2 with the same hubs.

What do you like about the C2s over the 45s?

RedC 03-14-13 01:46 PM


Originally Posted by bianchi10 (Post 15329757)
I say all of the above. The engagement of the hub seemed more responsive. It engaged instantly and I felt that the hub felt more "solid". I would also say it felt smoother while pedaling on flats. With the short ride that I did, though I may be confusing the smoothness with the combination of the 23 wide rim and low psi 23mm tire. The differences were very subtle, but I was able to notice it. This is not to say that my Boyds feel bad compared to the Chris king hub either.

One thing that drove me absolutely BANANA SANDWHICH was the sound of the CK hub!!! I'm sure I would get used to it, but as of now, I am not. I ride with an earphone in right ear and when I was at a steady pace or pedaling I could not hear the free hub at all. BUT instances where I was climbing and then got to the top I would sometimes find myself pausing my cadence as I recovered. In that slight moment where I paused, I could hear the free hub out of my left ear. It wasn't SUPER loud, but it was a sound that my ear has not been accustomed to yet. Since it was an unfamiliar sound, I found myself looking over my shoulder a lot more because it sounded like a car was approaching. Again, I'm sure I would get used to the sound over time.

My buddy at the LBS taught me the words to that CK music, it's "peddle fatso, don't coast" :D I love my CK hub but I'm a little disappointed at the reliability. The first one the flange cracked on the non-drive side (they replaced it under warranty) and the second one the bearings were destroyed at about 5,000 miles and I'm waiting for them to be replaced now.

bianchi10 03-14-13 05:16 PM

Demo set #3
 
I CANT WAIT TO GET OUT AND RIDE THESE. I'm almost as excited to just sit in my garage and look at them!!!

Edge Enve 45 carbon clinchers
21mm wide
Chris king R45 hubs
CX Ray Sapim spokes
same tubes, same tape, same tires

http://i164.photobucket.com/albums/u...314_154713.jpg
http://i164.photobucket.com/albums/u...314_154617.jpg
http://i164.photobucket.com/albums/u...314_154554.jpg

ls01 03-14-13 05:22 PM

Shiz.... enve's with C.K. hubs. Cant wait for the evaluation on these.

NWS Alpine 03-14-13 05:23 PM

Well there goes your budget criteria :)

Nagrom_ 03-14-13 05:23 PM

Did she give you carbon specific pads?

Great looking wheelset.

ls01 03-14-13 05:25 PM

2x?

WhyFi 03-14-13 05:30 PM


Originally Posted by NWS Alpine (Post 15387595)
Well there goes your budget criteria :)

:roflmao2:

twinpuller 03-14-13 05:34 PM

I'd be curious to see how the big dollar hubs compare to the value hubs like ck vs bhs.

gc3 03-14-13 06:08 PM

It's either "end of the competition" or "can't buy love"....

bianchi10 03-14-13 06:10 PM


Originally Posted by Nagrom_ (Post 15387598)
Did she give you carbon specific pads?

Great looking wheelset.

Yes, they are installed.



Well there goes your budget criteria :)
yes....this could be bad. Very very bad......

rangerdavid 03-14-13 06:24 PM

those are just


SWEET!!




I know which are my favorite already.

bianchi10 03-14-13 06:28 PM


Originally Posted by rangerdavid (Post 15387867)
those are just

SWEET!!

I know which are my favorite already.

MINE TOO!!!! I guess this is the power of aesthetics!!!! I haven't even ridden them yet and I'm trying to figure out which one of my two kids I can sell and get the most return on!!!

RollCNY 03-14-13 06:37 PM


Originally Posted by bianchi10 (Post 15387877)
MINE TOO!!!! I guess this is the power of aesthetics!!!! I haven't even ridden them yet and I'm trying to figure out which one of my two kids I can sell and get the most return on!!!

Sadly, its always the younger one.

bianchi10 03-14-13 06:40 PM

I dont know. my 5 year old daughter(first born) seems to be getting her period or something! She has had some nasty attitude lately and I'm about to lose it. I'm sure after she turns 8 it will just gets easier though....right???? lol!

Saoi 03-14-13 07:09 PM

1 Attachment(s)
Welp, the ENVE wheels *do* make your bike look like pure sex, but I think we all know that something's missing....

Ah, I know.
http://www.enve.com/cache/ProductTyp...700h500MAR.jpg

rangerdavid 03-14-13 07:12 PM


Originally Posted by Saoi (Post 15388029)
Welp, the ENVE wheels *do* make your bike look like pure sex, but I think we all know that something's missing....

Ah, I know.

http://bikeforums.net/attachment.php...hmentid=304526

:roflmao2::thumb::lol:

bianchi10 03-14-13 07:20 PM

ah yes...thats it!!!

bhayes505 03-14-13 07:24 PM


Originally Posted by bianchi10 (Post 15387924)
I dont know. my 5 year old daughter(first born) seems to be getting her period or something! She has had some nasty attitude lately and I'm about to lose it. I'm sure after she turns 8 it will just gets easier though....right???? lol!

I've got 15 year old and 10 year old daughters and believe me, it gets no easier. Just wait, you'll need riding more than ever in a few years!

BTW, those wheels look sweeeeeet!!!

abhirama 03-14-13 07:49 PM

sexy looking wheels! I just saw how much those rims cost and whoa!

JoelS 03-14-13 08:12 PM

Yeah, the Enve's ain't cheap. But oh so worth it!

garciawork 03-14-13 08:30 PM

Damn... those Enve's are sweet. CK R45's with a good road tubeless compatible rim are on my wish list. Too bad Fulcrums 3 2-ways do such a darn good job and never die...


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