SB20 - One of my Power Meter Cranks Have Failed. Now What?
The SB20 smart bike has dual power meters. They work together to give you accurate left:right power measurements. Here's a dual power meter example with Zwift: Right Crank measures power and sends it to the Left Crank . The Left Crank adds its measurements and sends a single message with consolidated L:R data to any connected apps ( Zwift in this example ). Apps like Zwift support a Power Source connection to: The Stages Bike or Directly to the left crank. When both power meters are working correctly, both Power Source connection methods provide similar performance. For more information, see How to Pick a Zwift Power Source . What if One Crank Fails? Some SB20 owners have abandoned their bikes when a single power meter has failed. These bikes could have been saved by simply reconfiguring it to use a single power meter. Single-sided power measurement is still very accurate. You simply lose left:right pedal metrics. If one cranks fails, the other crank can...