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power2max Power Meters

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power2max makes spider-based power meters for the road, MTB, gravel and track. These are some of our very favorite power meters. They are remarkably accurate, durable and worry free. Many staff bikes here at Power Meter City have power2max power meters on them. You can purchase these power meters as a stand-alone spider that you bolt onto your current crankset, or as a complete crankset (power meter plus new cranks). These power meters feature dual-leg power measurement, left/right balance, Bluetooth SMART and auto-zero, among other features. power2max power meters fit virtually every crankset, including SRAM, Cannondale, FSA, ROTOR, Specialized, Easton, Race Face, Shimano and more.

Additional Information:

Model Comparison

power2max makes two versions of their power meter: NGeco and NG. The NGeco is the base version that is more affordably priced. The NG is the premier version. The NG features slightly better accuracy (+/- 1.0%), a rechargeable battery, a longer warranty and some additional training metrics. Please see the chart at bottom for a full breakout.

Installation

If you purchase a power2max crank spider, installation requires that you remove your current crankset, replace your spider with the power2max and reinstall your crankset. In addition, 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.

Weight

power2max power meters spiders weigh around 150-180 grams depending on the version and 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 power2max spider is minimal.

Power Measurement

power2max power meters measure power at the spider. Therefore, they are able to measure the power that is generated by both legs. In addition, they feature left/right power balance. With this, the power meter can tell you approximately how much power is being generated by each leg. Power balance comes standard on the NG models, however it’s a paid upgrade on the NGeco models.

Special Features

What really stands out for the power2max is its accuracy and durability. This power meters just provide accurate power meter data week in and week out, which is really what you want from your power meter. In addition, you can get up to a five-year warranty on the NG.

Batteries

The NGeco power meters use a CR2450 battery. Battery life is around 300-400-hours, very good for a user replaceable battery. The NG power meters use a rechargeable battery and get about 150 hours of battery life.

Communication Protocol

All power2max power meters have both ANT+ and Bluetooth SMART. This means they can be used with any bicycle computer, smart phone or tablet. You can also use them with indoor training apps such as Zwift.

Accuracy

NGeco power2max power meters are accurate to within +/- 2.0%. This is in-line with the industry standard in regards to power meter accuracy. The higher priced NG power meters are accurate to +/- 1.0%. This is considered very accurate for a power meter.

Cadence Detection

Like most power meters, the power2max uses an accelerometer to measure cadence. This results in worry free cadence measurement.

Warranty

The NGeco power meter comes with a two-year warranty. The NG power meters feature a five-year warranty. The warranty covers the product from defects in material and workmanship.

power2max NG vs NGeco Chart

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