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cxp 33's or open pro's?

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Old 01-17-10 | 04:56 PM
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cxp 33's or open pro's?

i'm looking to get either of these wheels from bww and was wondering if you guys can help me out.

i'm looking for a wheel for everyday riding in the city and what not. so a wheel that is
a. strong (able to withstand messed up roads)
b. comfortable

thanks
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Old 01-17-10 | 05:05 PM
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Well Id say that they are both pretty similar in overall quality and sturdiness. Open pro's are well known for being bombproof, and cxp33's are more modern and also have good reviews. If I were you Id choose more according to which look/feel you are going for, cxp33's have a deeper more aero profile, kinda like deep v's, while open pro are pretty boxy and classic looking.

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Old 01-17-10 | 05:08 PM
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if you think rim profile has anything to do with comfort... then you are fooling only yourself.

CXP33 is stronger than OP and also costs more, that's all there is to it.
deep sections are stronger but heavier compared to low profile rims.
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Old 01-17-10 | 06:26 PM
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I like my Aeroheads ... I check some of those out.
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Old 01-17-10 | 06:38 PM
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Originally Posted by AEO
if you think rim profile has anything to do with comfort... then you are fooling only yourself.

CXP33 is stronger than OP and also costs more, that's all there is to it.
deep sections are stronger but heavier compared to low profile rims.
I wasent implying that profile had to do with comfort, I was just reminding the OP that the two rims look drastically different if that matters to him. I personally think that open pros are the better choice and look cleaner, the only reason cpx33s are slightly more sturdy is that they are heavier and more similar to deepvs, riding wise id rather go with op's. But in that sense its all a matter of preference, I personally just dont like the way deeper rims feel on the road.

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Old 01-17-10 | 06:45 PM
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CXp33s are not similar to deep v's. they may have an aero profile but they're substantially lighter. I've used 33s, 22s, 21s, open sports, and Open pros. Pros are the lightest and fastest, noticeably. 22's and 33's are very durable. Of all these rims 21's are the only model I've broken. If you want mavic, just get the lightest you can afford, the quality will be there.
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Old 01-17-10 | 06:55 PM
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Originally Posted by TL179
CXp33s are not similar to deep v's. they may have an aero profile but they're substantially lighter. I've used 33s, 22s, 21s, open sports, and Open pros. Pros are the lightest and fastest, noticeably. 22's and 33's are very durable. Of all these rims 21's are the only model I've broken. If you want mavic, just get the lightest you can afford, the quality will be there.
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Old 01-17-10 | 07:42 PM
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Originally Posted by gobby1095
I wasent implying that profile had to do with comfort, I was just reminding the OP that the two rims look drastically different if that matters to him. I personally think that open pros are the better choice and look cleaner, the only reason cpx33s are slightly more sturdy is that they are heavier and more similar to deepvs, riding wise id rather go with op's. But in that sense its all a matter of preference, I personally just dont like the way deeper rims feel on the road.
deep sections shouldn't feel any different on the road compared to shallow profiles... other than that aero bit, where if you get caught in a side wind, deep section won't feel too good.
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Old 01-17-10 | 07:59 PM
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Originally Posted by AEO
deep sections shouldn't feel any different on the road compared to shallow profiles... other than that aero bit, where if you get caught in a side wind, deep section won't feel too good.
You need a very significant section for this effect to be much of a hinderance, and the wheel has to be light and on the front. 35mm+ deep section, carbon no less.
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Old 01-17-10 | 08:00 PM
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Originally Posted by buckfifty
i'm looking to get either of these wheels from bww and was wondering if you guys can help me out.

i'm looking for a wheel for everyday riding in the city and what not. so a wheel that is
a. strong (able to withstand messed up roads)
b. comfortable

thanks
If it's really a comparison between the cxp 33 and open pro, the cxp 33's will be stronger because of the slightly more "aero" profile.
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Old 01-17-10 | 08:15 PM
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Emphasis on the slightly. Making 30ish mm rims will minimally improve the aerodynamics on your bike, and are usually heavier, which I find less desirable in a rim. Contrary to what AEO says, you WILL probably notice the rotational weight difference between an aero wheelset and lets say open pros, while you would be unlikely to notice any difference in ride quality from the profile. The added weight does make the rim stronger, but unless you are planning on doing hipster tricks or weight over around 300lb, I personally think that the difference in strength is also negligible. Dont get me wrong, CXP33s are nice but it boils down to a smal difference in weight (I personally would rather have sightly lighter, more nimble open pros) and the question of aesthetics.
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Old 01-17-10 | 08:52 PM
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Heavier:
+ easier to continuously accelerate (momentum)
+ street cred (you need that aero/crabon/tarck $5k stuff)
- slower to accelerate
- harder to push over long distances/incline

Lighter:
+ easy to start accelerating
+ performance
- harder to increasingly accelerate

Which is why a lot of road bikes are sub 20 lb, because they're designed to go far.
Track bikes have those heavy ass discs, aero wheels and such.
For those sprints, momentum pushes while aerodynamics to reduce drag, so weight isn't a very big concern.
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Old 01-18-10 | 03:13 AM
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You are all wasting your time discussing this...seriously.

https://fairwheelbikes.com/kinlin-xr2...im-p-1214.html

https://fairwheelbikes.com/kinlin-xr2...im-p-1215.html

https://fairwheelbikes.com/kinlin-xr3...im-p-1216.html
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Old 01-19-10 | 10:32 AM
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Originally Posted by TL179
CXp33s are not similar to deep v's. they may have an aero profile but they're substantially lighter. I've used 33s, 22s, 21s, open sports, and Open pros. Pros are the lightest and fastest, noticeably. 22's and 33's are very durable. Of all these rims 21's are the only model I've broken. If you want mavic, just get the lightest you can afford, the quality will be there.
I was gonna post about the plethora of Mavics I've had, you summed it up very well.
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Old 01-19-10 | 10:44 AM
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Originally Posted by AEO
deep sections shouldn't feel any different on the road compared to shallow profiles... other than that aero bit, where if you get caught in a side wind, deep section won't feel too good.
I have open pros and tried my buddies Atlanta 96 wheelset once and they were significantly stiffer and harsher on the road. Acceleration was also slow in comparison but deep section wheels hold speed better as mentioned above.

Comparing open pros to cxp33's keep in mind that the open pros have eyelets around the spoke nipples preventing the nipple from pulling though and breaking the rim. I never had cxp33's so I don't know if it happens to them.
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Old 01-19-10 | 11:29 AM
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Originally Posted by silsteve
I have open pros and tried my buddies Atlanta 96 wheelset once and they were significantly stiffer and harsher on the road. Acceleration was also slow in comparison but deep section wheels hold speed better as mentioned above.

Comparing open pros to cxp33's keep in mind that the open pros have eyelets around the spoke nipples preventing the nipple from pulling though and breaking the rim. I never had cxp33's so I don't know if it happens to them.
It doesn't.

The reason why open pros need eyelets is BECAUSE it's box section. Almost No 28mm+ aero section rims have eyelets. That's why. What constitutes a quality box section rim doesn't necessarily apply to aero section rims.
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Old 01-19-10 | 07:01 PM
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Originally Posted by operator
It doesn't.

The reason why open pros need eyelets is BECAUSE it's box section. Almost No 28mm+ aero section rims have eyelets. That's why. What constitutes a quality box section rim doesn't necessarily apply to aero section rims.
The CXP33 has eyelets. The purpose of an eyelets is to spread the load of the nipple at the hole location and make turning the nipple easier. Lets not confuse nipples with sockets.
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Old 01-19-10 | 08:36 PM
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Everything mihlbach says is just so... perfect.

haha
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Old 01-19-10 | 08:52 PM
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buckfifty- if your are still out there, just get the cxp33's.
you should be happy with them.
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Old 01-19-10 | 10:27 PM
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Originally Posted by silsteve
I have open pros and tried my buddies Atlanta 96 wheelset once and they were significantly stiffer and harsher on the road. Acceleration was also slow in comparison but deep section wheels hold speed better as mentioned above.

Comparing open pros to cxp33's keep in mind that the open pros have eyelets around the spoke nipples preventing the nipple from pulling though and breaking the rim. I never had cxp33's so I don't know if it happens to them.
the amount of wheel/rim deflection is negligible when compared to the amount of deflection the tire and fork will do. If your friend's wheels felt harsh, it was probably the tire on his wheels, or your wheels are severely under-tensioned.
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Old 01-20-10 | 05:58 AM
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Originally Posted by gobby1095
Everything mihlbach says is just so... perfect.

haha
Yes, well...I have several wheelsets with CXP33s. They are great rims. However, Kinlin rims are simply better. You can't find rims with a better mass/depth ratio. Despite the reduced mas, no serious durability problems have been reported (as far as I am aware). You can buy them in just about any spoke hole number. They are cheaper than Mavics. And, they come in colors!

Last edited by mihlbach; 01-20-10 at 06:02 AM.
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Old 01-20-10 | 06:35 AM
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Originally Posted by mihlbach
Yes, well...I have several wheelsets with CXP33s. They are great rims. However, Kinlin rims are simply better. You can't find rims with a better mass/depth ratio. Despite the reduced mas, no serious durability problems have been reported (as far as I am aware). You can buy them in just about any spoke hole number. They are cheaper than Mavics. And, they come in colors!
Wait! Are you talking about Kinlin XR-300 rims?
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Old 01-20-10 | 08:31 AM
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I think we had identical tires and my wheels are definitely not under tensioned.
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Old 01-20-10 | 09:26 AM
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Originally Posted by Tomo_Ishi
Wait! Are you talking about Kinlin XR-300 rims?
I was talking about Kinlin rims in general. The XR-300 is the 30mm deep model. There are also shallower Kinlin rim models (27mm and 20mm).
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Old 01-20-10 | 11:14 AM
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thanks for the advice and suggestions. is the weight difference between OP and cxp33's that significant? the mavic site states the OP are 35 g (about 0.07 lbs) light. is that enough to feel when riding?

thanks again guys (or gals)
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