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Mavic Cosmic Final 45 are a one-piece 1255g carbon wheelset






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Utilizing new expertise that will get carbon to imitate a few of their greatest alloy trickery from years previous, the brand new flagship Mavic Cosmic Final 45 street wheels obtain a feathery 1,255g weight with 45mm deep rims.

The wheels are a one-piece unit, constructed with pass-thru bladed carbon spokes which are bonded into the rim with out penetrating the tire mattress. It’s a singular development, not like any previous effort…in carbon. Right here’s how they did it…

Every wheel is hand assembled of their manufacturing facility in Annecy, France, and requires 8 hours and 71 carbon items. Whereas it seems just like the spokes are inserted into the rim like regular, they’re really bonded into alloy inserts utilizing Mavic’s Fore expertise.

In case you recall, Fore initially referred to their capacity to kind strengthened, threaded sections inside an alloy rim cavity. Then, the spokes had been threaded immediately into the rim. The spoke’s head was captured on the rim, and the outsized nipple put an finish to any stripping when truing the wheel.

For carbon, they molded an alloy insert between layers of carbon, then threaded the spokes into it. Each variations eradicated the necessity to drill by means of the tire mattress, making tubeless setup simpler and tape-free. It additionally allow them to make a lighter wheel with laterally stiffer rims.

spoke and rim cutaway view for new mavic cosmic ultimate 45 road wheels

For the brand new Cosmic Final 45, the spokes are molded, then bonded into the rim’s Fore inserts with the proper two-cross positioning, then that piece is heated and molded to change into one.

These Fore attachments had been examined. Loads. 409 influence exams. 470 traction exams. 66 prototypes, and eight completely different constructions. Then they underwent the accelerated local weather exams.

one piece carbon spokes detail on new mavic cosmic ultimate 45 road wheels

And it’s not simply the attachments. The spokes themselves are a brand new R2R (Rim to Rim) UD carbon spoke thats 4x stronger than the prior technology.

From there, the hub is positioned between the spokes and carbon caps are pressed into place. The wheel is heated once more to mildew the whole wheel right into a single piece.

hub cutaway view for new mavic cosmic ultimate 45 road wheels

The hub has an alloy base with carbon wrap, which retains it gentle however permits increased precision bearing placement. They’re outsized bearings, too, with stiff hub axles, for smoother, extra sturdy efficiency. Their ID 360 internals (assume DT Star Ratchet) present fast, robust engagement.

Claimed rim weight is simply 403g, which is respectable, nevertheless it’s the complete carbon spokes that deliver the wheelset weight down so low. That helps them spool up rapidly and keep away from flex, each torsionally and laterally…however nonetheless give them a little bit of radial flex for good experience high quality. Logos are laser etched, saving just a few grams in comparison with decals.

new mavic cosmic ultimate 45 ultralight carbon road wheels

Inner rim width is 19mm, and the tubeless-ready design is made for 25mm or bigger tires in thoughts. They are saying the perfect tire stress is 87psi (6bar). Most exterior width is 28mm, with a 45mm depth and wind tunnel-tested NACA profile.

Above, the glitzy fast view of how they’re made. Beneath, a extra detailed look as they stroll their athletes by means of the method:

Full wheelset weight is claimed at 1255g – entrance is 575g, rear is 680g. They’re solely accessible in tubeless, disc brake codecs with Middle Lock rotor mounts and 12×100/12×142 via axles (Fast launch and 12×135 via axle adapters can be found individually). Select from Shimano HG, Campagnolo street or N3W, and SRAM XDR freehub our bodies. MSRP is €3,999.

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