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2016 Crank Brothers Cobalt 11 29" Wheelset

  • 2016 Crank Brothers Cobalt 11 29" Wheelset
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2016 Crank Brothers Cobalt 11 29" Wheelset

Product Description

General Information

If your first mountain bike was a Schwinn, you may find the ever fractioning of the MTB market into specialty sections a bit perplexing. But for those of us who are avid XC riders, having access to a pair of hoops like the Crank Brothers Cobalt 11 Wheelset pushes us deeper into trail nirvana.

Make no mistake, these are wheels meant for riders who are serious about their cross country riding, and who don’t mind what the perfect pair costs. But that’s to be expected when looking at the materials used and designs employed. Crank Brothers have a history of finding clever solutions for nagging problems. Evidence of that in the Cobalt 11 Wheelset comes especially when looking at the tubeless-ready design. The twinpair spoke technology threads the parallel spokes through eyelets at the rim without having to penetrate into the interior of the rim. That means that these are tubeless ready out of the box without any need for rim tape since the only exposed point is where the valve sits. If you had considered buying an earlier version of the Cobalts but decided to go with something more meaty looking, you should give these Cobalt 11s a second look since the rims have been reshaped with a deeper canal and a wider profile. That has made it possible for Crank Brothers to increase the strength of the carbon hoops while reducing weight. And since the design remains hole-less, you won’t have to worry about compromising the overall strength of the rim.

For a wheel, weight of course is important, but so is where that weight is focused. With that in mind, Crank Brothers have concentrated on building a wheel that inherently has a low rotational weight. Obviously using high-quality carbon figures into that equation, but the overall design is where they really got clever. Looking at the twinpair spokes, you’ll see that they are not the sort of spokes you are used to seeing. For the Cobalt 11, Crank Brothers have used a Sapim stainless steel butted spoke that will simplify everything from how the wheel is built up to how it can be trued. The portion of the spoke that starts at the rim and inserts into the hollow 7075-t6 aluminum spoke pins starts out with a 2.0mm butting, progresses into a 1.8mm diameter before returning to 2.0mm at the end that inserts into the 3.2mm x 139mm alu nipples that extend to the hubs. By distributing the greater portion of mass closer to the hub, Crank Brothers gives the wheels a low rotational inertia, which means that they accelerate faster and will decelerate with ease as well. Since the spokes are twins and equal in length, which is 140mm for the Cobalt 11 27.5”, you can true and even replace them without having to remove the tire.

The brothers have redesigned their hubs with durability and performance in mind. Made from 6061-T6 aluminum, the hubs can withstand stresses way beyond what your XC demands may be. Two front hub end caps come with the packaging, with a 15mm installed, while a 9mm option is included. Similarly, the rear hub end caps come 12x142mm installed and 10x135mm included. The freehub uses a three-pawl set-up, which is intended to give you immediate engagement once you put power through the pedals, while two sets of two sealed cartridge bearings will provide a smooth ride. The Cobalt hubs are also XD Driver compatible, though sold separately, in case you ride an XX1 set-up and want to drop down to a 10T.

The Crank Brothers Cobalt 11 Wheelset comes in a 27.5” and a 29”, weighing 1540 grams and 1650 grams, respectively. They are even e-bike compatible and can accommodate urban or XC e-bikes up to 350 watts. With a rim width of 21mm and a depth of 28.9, the Cobalt 11s are ready to join you on all your most exciting XC adventures.  Their two year warranty on materials and workmanship proves just how much the Crank Brothers stand behind their product.

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