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Mavic Helium wheels vs. Mavic Cosmos(9 posts)

Mavic Helium wheels vs. Mavic CosmosJamie Harris
Mar 24, 2001 9:44 PM
These wheelsets look similar. I was told the Helium's are better and the cosmos are medium quality. The Cosmos are $300 new and the Helium's are much more, but a bargain at what they use to cost. What is the better bang-per-buck given quality, cost, durability, and performance. Give me your thoughts.

Quite different--what about Cosmic Elite?TNC
Mar 25, 2001 7:16 AM
Cosmos wheels are a fair amount heavier even though they look similar. This is done in the hub, rim, and spoke area. Though it is a very decent wheel, I'd go with a Cosmic Elite for a very little more money. The Cosmic weighs about the same but adds a noticeable aero effect. It is also a very strong wheel. My favorite Mavic is a Ksyrium, but the Cosmic is probably the best buy for strength, aero, and value issues combined.
Actually not that different;TJeanloz
Mar 26, 2001 7:19 AM
The only difference between the front Cosmos and Helium wheels are that the Helium rim is made from a stronger aluminum alloy (Maxtal), weight is almost identical. The rear rim is the same story- the Helium used a Maxtal one, the Cosmos doesn't and the Cosmos uses an older freehub design that weighs a ton.
Sounds fairly different to me, and...TNC
Mar 26, 2001 7:44 PM
I weighed both of these (without skewers) at the shop today (rears only). 1115g for the Cosmos and 880g for the Helium. Those rear hubs are a major difference as you point out, and I'll bet there's a difference of as much as 50g in the rims. What's you take on Cosmic Elites?
Weigh the fronts...TJeanloz
Mar 29, 2001 7:24 AM
Last year (when I still had Heliums in stock) I weighed the pairs against each other; the rear Cosmos is a lot heavier, but in one case, the front Cosoms was lighter than the front Helium. The rear hub, and Maxtal, which is stronger, but not lighter, are the differences. Cosmic Elites are a wheel that we generally recommend to heavier riders who would dish too much abuse for a lightweight wheel like the Cosmos, but don't want to spend for the Ksyrium. We also set up a lot of our elite team guys with them to be a cheap-to-replace crit/pit wheel. They're plenty aero and stiff for Pro1,2 guys to race on. All that being said, availability on the Cosmic Elite is really bad right now- if you don't know about a pair in stock somewhere, you probably won't be able to get them for a while.
re: Mavic Helium wheels vs. Mavic CosmosDrD
Mar 25, 2001 12:49 PM
From the reviews I have read, Heliums are a no-no for larger riders (not saying you are one - just that based upon that information, they are probably not going to win any contests as the most robust wheelset) Of the two, the cosmos should be a stronger wheel. That being said, you can get a similar strength, lighter wheelset built up for about the same price as the cosmos - DA hubs + Open Pro rims are usually ~300-310 mailorder (Col cyclist, Excel, etc.) - a little more for butted spokes - plus (if you want to get fancy), Excel has a special package (they call it the Cirrus, I think) with Open Pro rims, DA hubs, and DT revolution spokes for $295... not too shabby.
re: Mavic Helium wheels vs. Mavic CosmosBC
Mar 25, 2001 3:06 PM
You can get the Heliums at now for $399.
re: Mavic Helium wheels vs. Mavic CosmosAlan B
Mar 27, 2001 10:12 AM
You can get the Cosmos at for $210 (plus $30 shipping and tax).
Excel Cirrus!SimpleGreen
Apr 1, 2001 7:01 AM
For the same 300 bucks you can get the excel cirrus wheelset from excelsports--DA hubs, revo spokes except drive side. I think the weight is slightly more than the heliums, and they can be serviced by any decent mechanic. Moreover, they should be more durable being 3X with open pro rims. Not a bad deal. Of course I tend to think custom wheels are the best way to go. I'd get speeddreams or Hugi/Open Pro setups. THey are more durable and easier to replace or rebuild. The only thing you don't get is a good time trial wheelset.