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Quarq Power Meters

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Quarq has been building power meters for over a decade and brings considerable expertise into the manufacturing process. Available for road, MTB and CX, Quarq power meters measure power at the spider and feature SRAMs DUB, AXS and X-SYNC technology. They offer their power meters as stand-alone spiders (for customers that already have compatible crank arms), or you can purchase the entire crankset (power meter plus cranks). All models are accurate to within 1.5% and feature ANT+ and Bluetooth SMART technology.

Additional Information:

If you purchase a stand-along Quarq power meter spider, installation requires that you remove your current crankset, replace your spider with the Quarq and reinstall your crankset. Please note that for certain cranksets, a lock ring tool (which we sell) is necessary to remove the spider. If you purchase a complete crankset, you simply remove your current crankset and install the new one.

Quarq spiders weigh around 125-165 grams depending on the version and the BCD size. When purchasing a power meter, you should focus on added weight. Therefore, be sure to subtract the weight of your current crank spider in order to determine the added weight of the power meter. You’ll likely find the weight added by the power meter spider is minimal.

Power Measurement
Quarq measures power at the spider. Therefore, these units are able to measure both left and right leg combined power.

The Quarq SRAM Red AXS power meter uses a rechargeable battery, whereas the Quarq DZero and DFour use a CR2032 battery with 200-hour battery life.

Communication Protocol
These power meters transmit data via both the ANT+ and Bluetooth SMART wireless protocols. Therefore, they are compatible with any bicycle computer, smart phone or tablet.

Quarq power meters are accurate to within +/- 1.5%. This is on par with the majority of other power meters on the market.

Cadence Detection
Like most power meters, these power meters use an accelerometer to measure cadence. An accelerometer is an electronic device that is housed inside the power sensor and measures your pedaling rate.

Quarq power meters come with a two-year warranty which covers the product from defects in material and workmanship.

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