Stages Power L Carbon for SRAM and FSA Meter 172.5mm BB30

The Stages Carbon for FSA 386 EVO Power Meter is a proprietary Stages carbon crank arm, made specifically to work with 386 EVO cranks. Like all Stages power meters, this unit features +/- 1.5% 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.