Quarq DZero Aluminum Power Meter Crank Arms – GXP

$779.00

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Uses a CR2032 battery that can be replaced without tools
AxCad system provides no-magnet cadence data
Swap chainrings without needing to recalibrate


Ships From: United States (US)

Sold By: Power Meters
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Description

With a brand whose catalogue spans the breadth of Quarq’s, a claim that a product encompasses every technological advancement therein is a bit hard to swallow, to say the least. With the GXP-compatible DZero Aluminum Power Meter Crankarms, Quarq doesn’t go quite that far. Instead, the claim is tempered with the addition of “almost” before “every”–though the scope of tech embodied by the powermeter is no less impressive for that disclaimer. The only omissions here are the use of alloy instead of SRAM’s Exogram carbon and BB386EVO compatibility, which Quarq reserves for DZero’s carbon-armed species. Of course, the fact that this model features aluminum crank arms brings it more easily within reach of the self-sponsored cyclist by adding power to a more affordable aluminum chassis. Those omissions aside, the list of included technologies is an all-inclusive romp through Quarq’s feature menu. Chief among these is the power meter itself, which saw a healthy amount of retooling. Overall, Quarq claims that “150 documented improvements” inform the evolution from the previous models to DZero, but the most important is to the heart of the meter itself: the strain gauges and measurement circuitry. It still incorporates five strain gauges strategically placed throughout the spider in order to measure the Newton meters you’re throwing into the pedals. 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 DZero also better rations battery life than Quarq’s previous power meter models, though when the battery does go out, you can still change it without tools or having to ship the whole thing to the manufacturer. DZero’s accuracy is further boosted by the return of Quarq’s 10k dynamic temperature compensation technology, which alleviates the need for constant, mid-race zeroings in v…
Arm Material: aluminum
Arm Length: 165 mm, 170 mm, 172.5 mm, 175 mm
Bolt Circle Diameter: 110 mm, 130 mm
BB Type: GXP
Bolts: 5

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Black, Non-Hidden Bolt

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