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Stages FSA Energy 386 EVO Power Meter

Josh Matthew May 26, 2018


Bringing Stages power to FSA 386 EVO and SRAM BB30 cranks


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About the Stages FSA Energy 386 EVO Power Meter

The Stages FSA Energy 386 EVO Power Meter is a hollow forged alloy Energy 386 EVO crank arm equipped with a Stages Gen. 2 power sensor. Like all Stages power meters, this unit features +/- 2.0% accuracy, 200 hours of battery life and is lightweight at only 20 grams of added weight. In addition, the power meter is compatible with both ANT+ and Bluetooth SMART devices. This means you can use a bicycle computer with ANT+ or your smartphone or tablet with Bluetooth SMART.


Stages FSA Energy 386 EVO Power Meter Options

Crank arm lengths: 165 mm | 170 mm | 172.5 mm | 175 mm




The Stages FSA Energy crank arm will fit most FSA 386 EVO road crank sets.

Note – this power meter will not fit FSA cranks that have a pinch-bolt style interface.


This power meter is compatible with 30 mm bottom bracket crank options for SRAM BB30 road and MTB, and RACE FACE NEXT SL, when paired with a Stages 30 mm Spindle.

Note – this power meter will not fit SRAM’s GXP bottom bracket interface.


In the Box

  • Stages FSA Energy 386 EVO Power Meter
  • Stages Spindle (if purchased)
  • 2032 coin cell battery
  • Quick Start guide



NameStages FSA Energy 386 EVO
Power Meter TypeCrank arm
Type: GaugeStrain
Number of strain gaugesNA
Weight20 grams (plus weight of crank arm)
Crank Arm Lengths165 mm, 170 mm, 172.5 mm, 175 mm
Battery Type2032 coin cell
Battery Life200+ hours
Left/Right Power MeasurementNo
Communication ProtocolBluetooth SMART and ANT+
Claimed Accuracy+/- 2.0%


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