MAVIC WHEELS

2009 Mavic Cosmic Carbone SL Wheelset

2009 Mavic Cosmic Carbone SL Wheelset

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The Mavic Cosmic Carbone SL probably looks very familiar. It seems like most every top racer in the past seven or eight years has done some time at the head of affairs on these and has shown the fastest packs in the world this clean set of wheels. Victories at the World Championships, at the Olympics, and so on. Spring Classics, Fall Classics, stage races. The whoosh you just felt was a pro blasting by you on these.

Well, those people better watch out. The new Cosmic Carbone SL has gone on a diet. Even though the wheels look pretty much unchanged, they've been improved. The heart of the improvement is the new, lighter rim, almost identical to the Cosmic Carbone SLR. The rims are a carbon-aluminum hybrid. You start with an aluminum rim, giving you both the strength and braking advantages of aluminum, and then the rim is put through Mavic's well-known processes. The outer walls are thinned to their minimum via Mavic's Inter Spoke Milling (ISM) process. The aluminum rim is finished with Mavic's UB Control finish, meaning the surface is flat and grooved for smooth, fast, consistent braking. The result of these works are rims that are 20g lighter each.

Once the work is done to the rim, the carbon-fiber shell is bonded to the rim. The elliptical sidewalls slice through the wind. The total rim depth is 52mm, which is deep enough to be very fast.

The spokes are straight-pull, bladed steel, anodized black to match the rest rim and hubs. They're radially laced in front and on the non-drive side. The drive side of the rear has a cross-two pattern for greater strength.

The hubs are Mavic's "typical" very low flange aluminum hub bodies, running on QRM bearings and held in place via a 9mm aluminum axle. The cassette mechanism is their Force Transfer System-Light (FTS-L), a lightweight aluminum cassette body that sits directly over a hub "nub" that boasts centrally-located pawls and stainless steel inserts for durability. The result is less flex and less friction and faster engagement.

This wheelset is part of Mavic's MP3 extended warranty program. The acronym stands for Mavic Product Protection Plan, and it provides you with two years of almost unlimited no-fault protection from Mavic. More details can be found on the MP3 website. Please note that MP3 coverage must be purchased within 7 days of when you buy your wheels. And we can do all the registration paperwork on your behalf. Just call or email us and we'll take care of it.

The Carbone SL wheels have 16 spokes in front and 20 in the rear. . The wheels' ETRTO size is 622x15c. Recommended tires sizes are 700x19-28c. The cassette body is available either as Campagnolo-compatible (ED10) or Shimano/SRAM compatible (M10). The set comes with a bearing adjustment tool, spoke wrench, BR301 quick releases, rim tape, wheel magnet, valve extender, user guide, and warranty card. The Mavic Cosmic Carbone SL is available as a clincher only. The front wheel weight is 780g, rear 960g, for a total wheel weight of 1740g per pair (excluding skewers).

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