I did a search and couldn't find any reviews or conversations regarding the new 2013 R-sys SLR wheels. I believe there were some issues with the front wheel of the 2012 regular R-sys.

If there is a thread already regarding these, can someone please find me the link to the thread.

Otherwise, anyone have any thoughts? Looks like a super light aluminum/carbon wheel at 1290g. From my understanding they are a really nice stiff wheel that is great for us folks that climb a lot.

Thanks in advance.

whatever you do, make sure you get them from an authorised mavic dealer and have a warranty, seems the warranty has saved a bunch of people here from rim problems.

see mavic exalith progress thread.

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Dogma 6650g

R-SYS also have a fairly hated reputation around here. Yes they might be light and feel stiff, but they are TERRIBLY un-aero

Also when first released the structural instability of a long round CF tube in compression resulted in explosive failures that Mavic denied despite a lot of evidence. They supposedly fixed the fracture issue, but frankly they aren't a good wheelset unless you do ALOT of climbing and want light weight climbing wheels with Al brake tracks

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Is 1290g claimed weight? If so, I'd assume another 50g or so for actual.

For the same reason they are un-aerodynamic, they will behave badly in crosswinds ... the kind you find in the high mountains that move the bike around at 80kmh. So for going uphill they look good, but on the basis you normally have to get down again, I'd avoid!

If I were you, I would go with the Fulcrum wheels. Much better hubs and they seem to be more tough without carbon spokes.

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A light bike does replace good fitness.

People here hate them. Peer group reviews I've read in Europe rave about them. Stiff and light. Reading WW anyone would think they would slow you down horribly yet Basso effectively one the Giro on a set so they can't be that bad
Having ridden them, they are great for both climbing and descending - there are better wheels for cruising along the flats however.

I did about 3000km on my new 2013 R-Sys WTS. They are aoundt the claimed 1345g. I use em in the mountain only, but actually think about to use em for racing in favor for my Bontrager Aeolus 5 clinchers and Aeolus D3 5 tubulars. The R-Sys are were stiff and stable. I do corners with aprx 70km/h, which is about 7km/h fasted then I did w my openpro/dtswiss setup. On the flat they feel very responsive and fast. I didnt notice the un-aero penalty, so I might use em for racing even on flat crits...