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Ksyriums or Aksiums? (Serious question)

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Ksyriums or Aksiums? (Serious question)

Old 06-23-07, 10:18 PM
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Ksyriums or Aksiums? (Serious question)

Okay, the answer should be obvious for most, but I'm a 240 lb. rider (for now) on a tight budget. I'm going to buy the rear wheel with this coming paycheck and the front with the next. I don't plan on racing again any time real soon, so the weight is not of the utmost importance. The Ksyriums seem like a good deal if I'm just buying one wheel at a time, but for someone like me, are they really that much better?

Any thoughts appreciated.
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Old 06-23-07, 10:22 PM
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im in exactly the same boat as you i have the chance to buy a set of askium race ( i already own 1 set on roady but want new set for flat bar) or do i buy the more expensive krysium elites

im 82kg and both wheels are brand new askium 250a$ krysium 400a$
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Old 06-23-07, 11:16 PM
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Originally Posted by craigdurkee
im in exactly the same boat as you i have the chance to buy a set of askium race ( i already own 1 set on roady but want new set for flat bar) or do i buy the more expensive krysium elites

im 82kg and both wheels are brand new askium 250a$ krysium 400a$
Yeah, I could care less about the bling factor. If I'll feel a hug difference, then I'll gladly pay the extra money, but I just really want a set of sturdy wheels that will take out any punishment that I throw at them, yet be ready to race when I'm back in that condition.
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Old 06-23-07, 11:48 PM
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If those are the only 2 choices Ksyrium. I'm 250lbs and I've ridden the Elites for awhile with no trouble at all. That said and budget is a big deal I'd vote for either the Easton Circuit's or the Fulcrum 5's. Just me.
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Old 06-24-07, 01:14 AM
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I have the Aksiums and use them as training wheels. They are very durable and have stayed true from the moment I got them. I think you are better off getting the Aksiums because a test (can't remember where) showed that the Aksium was stiffer and more aero than the top of the line Ksyrium (the ES version). Save your money up for something really nice down the track. IMO the Ksyriums are overpriced for what they deliver.
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Old 06-24-07, 01:37 AM
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I have Ksyrium Elites and I weigh 88kg. So far (5000km) my findings are that they aren't cheap, they aren't light, they aren't sturdy and they have a lot of rolling resistance. On the plus side they do look cool though. Not recommended (by me anyhow).
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Old 06-24-07, 06:15 AM
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CXP33 rims, 32 spokes, any hub you like.
Colorado Cyclist has a nice price on them.
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Old 06-24-07, 06:17 AM
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Originally Posted by craigdurkee
im in exactly the same boat as you i have the chance to buy a set of askium race ( i already own 1 set on roady but want new set for flat bar) or do i buy the more expensive krysium elites

im 82kg and both wheels are brand new askium 250a$ krysium 400a$
are you related to ryanf?

Last edited by botto; 06-24-07 at 06:34 AM.
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Old 06-24-07, 06:26 AM
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Originally Posted by late
CXP33 rims, 32 spokes, any hub you like.
Colorado Cyclist has a nice price on them.
+1. I am no expert but this seems to be the best choice. You can always buy a set of racing wheels later if needed.

If you want the Mavic Aksiums, why don't you see if the LBS will put the wheels on layaway until you get your next paycheck and pay them off. But the spoke count is really too low for you now.
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Old 06-24-07, 06:49 AM
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if you can go the extra bucks I would suggest going with the elites. There is a big difference between the Askiums and the Elites. I own a pair of Elites on my C'Dale Six 13 team2 2006 version and they are rock solid I have close to 5000 miles on them now and haven't had to touch the wheels no true or bearing adjustments. The askiums where a big reason I upgraded bikes when I was shopping last year. The Askiums seemed flexier and the Rim Joint is pinned not welded so on the bike I test rode the rim seam made an annoying click when the seam hit the brake pads on each revolution when braking.The Elites are lighter and stiffer. The spokes are only drilled thru the top of the rim so you can even skip the rim strips if you want. There is a big difference between the two,not just the bucks.
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Old 06-24-07, 07:06 AM
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Come on! Spoke count too low for your weight...

I weigh in at 258 pounds. I ride Ksyrium Elites. Have over 1,000 miles on them. Race in crits. Commute to downtown with cracked pavement, potholes, you-name-it. They are still rock solid. Only the very smallest of out-of-true. Not even enough to take to the shop.

I've also ridden CXP33's. 32 hole, 3-cross, 14-ga straight spokes, Ultegra hubs. Consistently have problems with them going out-of-true. Is that normal for all CXP33's? I hear not. Everybody has a pro- and a con- for each.

Just my $0.02.
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Old 06-24-07, 07:41 AM
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I weigh about the same as you. If they are going out of true, something is wrong.
The first time mine went out of true I hit a pothole doing over 40. It was in the shade so I never saw it. I figured the wheel was going to be dead, I mean I just blasted this big hole screaming down a mountain somewhere hear 45... All that happened was it get a little out of true. If there is nothing defective and they are built properly they are incredibly tough.

Caveat... I was using 27c tires.
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Old 06-24-07, 07:48 AM
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Originally Posted by late
CXP33 rims, 32 spokes, any hub you like.
Colorado Cyclist has a nice price on them.
Or if you are a heavy rider- For a few grammes more- go for 36 spokes.

My LBS loaned me a pair of Krysiums for a test and over the OM wheels I had- they were good. Put 3mph on my average for a ride a but they did feel a bit harsh and were expensive- They built me CXP33's onto 105 hubs for less than half the price- even allowing for the best Discount price I could get- and are just as fast and more comfortable. They are a few grammes heavier though.
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Old 06-24-07, 08:07 AM
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Originally Posted by mkadam68
Come on! Spoke count too low for your weight...

I weigh in at 258 pounds. I ride Ksyrium Elites. Have over 1,000 miles on them. Race in crits. Commute to downtown with cracked pavement, potholes, you-name-it. They are still rock solid. Only the very smallest of out-of-true. Not even enough to take to the shop.
Give it some time... 1000 miles is barely broken in yet.

No way I'd recommend either of those Mavic wheelsets for riders 230+ lbs. Not enough spokes.

A PROPERLY built set of handbuilts, CPX33/Velocity Deep V, 32-36 hole rims, butted spokes, is the proper tool for the job.

You've been warned.
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Old 06-24-07, 08:09 AM
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Originally Posted by botto
are you related to ryanf?
Well...being that he got the spelling correct in the thread title, I would surmise that the errors you cite are typos.
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Old 06-24-07, 08:12 AM
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Originally Posted by stapfam
Or if you are a heavy rider- For a few grammes more- go for 36 spokes.

My LBS loaned me a pair of Krysiums for a test and over the OM wheels I had- they were good. Put 3mph on my average for a ride a but they did feel a bit harsh and were expensive-
3 mph on your average? Something was seriously wrong with your original wheels - where there any tires attached?

FYI, a good aero wheelset, which the Ksyriums are not, is good for about 0.2 mph pushing into clean wind at about 25 mph compared to a conventional set of box section wheels.
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Old 06-24-07, 08:47 AM
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Originally Posted by late
Colorado Cyclist has a nice price on them.
Colorado Cyclist has a good price on something??
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Old 06-24-07, 09:40 AM
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If bling is no object why not just go with a set of open pro's laced to an ultegra hub or something? They are arguably the best wheel on the market. Now if you care about weight, that is another thing. IMO kyseriums are way over priced and really don't look that good.
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Old 06-24-07, 10:33 AM
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Originally Posted by Nessism
Give it some time... 1000 miles is barely broken in yet.

No way I'd recommend either of those Mavic wheelsets for riders 230+ lbs. Not enough spokes.

A PROPERLY built set of handbuilts, CPX33/Velocity Deep V, 32-36 hole rims, butted spokes, is the proper tool for the job.

You've been warned.
As per Zipp increasing spoke count from 28 to 32 increases stiffness just 3.2%; going from 32 to 36 would be even less than that.
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Old 06-24-07, 10:53 AM
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Originally Posted by botto
are you related to ryanf?
Did you mean "Are" you related to Ryanf?"
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Old 06-24-07, 12:06 PM
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Originally Posted by cooker
Did you mean "Are" you related to Ryanf?"
did i stutter?
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Old 06-24-07, 05:19 PM
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I ride on Aksiums and have found they take a lot abuse, and roll downhill as fast as any wheel on the bikes of guys I ride with - I can't quote you the wheels, but these are much more expensive wheels than mine. Aksiums are heavy, relatively speaking at about 2,000 grams for the set. The Ksyriums are at about 1550-1600 according to Weight Weenies. I also read somewhere that the Aksiums rate very favorably (better?) than Ksyriums in terms of aero and stiffness. You're giving up a pound (500 g) of weight with the cheaper Aksiums, but gaining better performance in terms of aero (e.g. downhill). The weight difference will only show in climbing, and as part of a package involving a 180 lb rider and a ~20 lb bike, I would venture to guess it would be measured in feet/mile for a given hill and power output. Stiffness - I have NO idea how this would affect my riding since I'm not very heavy and not very strong. But supposedly, the Aksiums are stiffer.

I have not noticed any rim noise while braking, braking with my Ultegra brakes is smooth and effective.

The reason I know all this is because I've been reaching mightily to rationalize new, "better" wheels. I would LOVE to upgrade the wheels, but can't think of any reason do do so until I ruin these somehow. I have ridden with several people who have very expensive wheels, including Ksyriums, and none of them rolls obviously faster down fast hills when we're in the drops, just coasting. Some I gain on, and it's not because I'm more aero - I'm not very low. They all climb better than me, but they're all much stronger, so who knows where the wheels come in?

To me, given the low-cost Aksiums here's the bottom line, so far: As far as I can tell, they do not penalize me in the free speed department, an important factor for me!

All that said, if I did not own wheels, I would gladly spend $500 or so instead of the ~$200 that Aksiums cost, to get into the 1500-1600 weight range. But I would not buy Ksyriums; I feel that Ksyriums have a price premium attached to them for the "recognizabiliy" factor and there are wheels of similar qualities and weight for less cost. Bling or recognition has zero value for me.

Last edited by Camilo; 06-24-07 at 05:32 PM.
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