4iiii and Specialized Release S-Works Power Cranks, Claimed Lightest and Most Accurate Power Meter Available

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4iiii Specialized Crank Carbon Power Meter

A partnership of 4iiii Innovations Inc. and Specialized Bicycle Components has produced the new S-Works Power-Cranks. A collaboration that brings cyclists, according to the folks at 4iiii, the lightest, most accurate power meter on the market. With real-world accuracy at a claimed 1.5%, the S-Works beats the nearest claims by .5%. We haven’t vetted these features yet, but it seems the partners have really put their R&D departments at hard work, and sent their product for independent validation at the Locomotion Laboratory at the University of Colorado, Boulder.

4iiii SPECIALIZED S-WORKS DUAL CRANK

4iiii Specialized Crank Carbon Power Meter

With all the powercranks available, what makes this power meter stand out? A combined dual-sided power meter plus carbon fiber. With two independent strain gauge assemblies on each crankarm, you see the total power you are producing.  Also, along with independent leg metrics, you’ll know how much power you’re putting out with each leg.

POWER CRANKS, GOOD FOR BEGINNERS AND PROS ALIKE

4iiii S-Works Power Meter Crankset

If you’ve never trained with power, you’ll likely find that it revolutionizes your riding somewhat. No lag in hitting the proper zone like other methods, and a very real measurement of exactly how much your fitness has changed. Moving from a single-leg measurement to a dual-sided unit, you’ll see maximum accuracy in your power numbers. And with these S-Works cranks measuring at 1.5%, it would make this iteration the ultimate training tool.

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A fully waterproof unit also has built-in temperature compensation firmware. Great if you’ve been let down by other units that show jumping numbers after a rainy ride or a bike wash.

MORE ON THE SPECIALIZED 4iiii COLLABORATION

Created sleek and light to complement the new Specialized Tarmac Disc, which will include the S-Works Power Cranks as standard equipment. In fact, Specialized has chosen 4iiii to be the technology partner for their complete line of Power Cranks. S-Works, Shimano Dura-Ace, Ultegra and 105 Power Cranks will be available in various dual and single-side aftermarket configurations.

If you want to see the new power meters in action, we’ve included the official release video for you. Peter Sagan’s in it, so you’re gonna wanna check it out.

Grab more info at specialized.com and 4iiii.com

About Johnny 6 Articles
SLO Cyclist's Chief Editor and roadie, Johnny, helps keep everything running smoothly here. He's also the one who reminds us that the rules of road cycling were made to be broken. Except the sunglasses one. That one makes sense.

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