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Quarq SRAM XX1 Eagle DZero Power Meter Crank Arms - BB30

item #QRQ0015
Price: $999.99 Buy Quarq SRAM XX1 Eagle DZero Power Meter Crank Arms - BB30
Quarq SRAM XX1 Eagle DZero Power Meter Crank Arms - BB30
Quarq SRAM XX1 Eagle DZero Power Meter Crank Arms - BB30 description:
Quarq introduces the SRAM XX1 Eagle DZero Power Meter BB30 Crank Arms by noting that they embody every piece of Quarq technology produced during the past decade of powermeter R&D. With the latest XX1 model, all of that technology is paired with hollow Carbon Tuned XX1 crank arms, which can safely be dubbed the epitome of the last decade of SRAM's R&D. Unlike the standard XX1 Eagle and vanilla XX1 cranksets, which are direct-mount, the DZero Eagle features a four-bolt spider compatible with an X-Sync 2 or X-Sync 104 BCD chainring, depending on your drivetrain. We do like the simplicity and modularity of the direct-mount chainring design, but the powermeter's strain gauges and electronics live in the spider, so eliminating it isn't an option in the Quarq system. As with the rest of the DZero line, the XX1 model incorporates five strain gauges strategically placed throughout the spider in order to measure the Newton meters you're throwing into the pedals, and--except for the alloy spider--it features the same Exogram carbon crank arms and graphical treatment as the standard Red crank. It's also still got the same claimed accuracy of +/- 1. 5%, so its numbers are 0. 5% more accurate than most meters, but the new design requires less correction in order to maintain accuracy in drastic temperature changes. Fewer corrections mean the latest SRAM Red power meter model also better rations battery life than the previous generations, though when the battery does go out, you can still change it without tools or having to ship the whole thing to the manufacturer. The DZero system's accuracy is further boosted by the return of Quarq's 10k dynamic temperature compensation technology, which alleviates the need for constant zeroings in the variable conditions often encountered over the course of long days in the mountains. The DZero is equipped with an auto-adjust schedule based on a constellation of around 10,000 data points that chart how the unit responds to temperatur...

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