Power L Shimano GRX RX810 Left Crank Arm Cycling Power Meter - 170mm Swagman Full molded panel provides added

Full molded panel provides added support for larger cup sizes

71L / 24 oz Cap Material The Jet Valve™ is made from medical grade

Lightweight and compact

Handle 13 mm

Sometimes using our tools differently than what our ancestors would have done

Power L Shimano GRX RX810 Left Crank Arm Cycling Power Meter - 170mm Swagman Full molded panel provides addedThe Stages Shimano GRX RX810 Power Meter brings Stages power to your gravel bike! Compatible with all Shimano GRX cranksets, the Stages power meter is accurate, durable and race ready. The power meter is also extremely lightweight adding only 15 grams to the weight of the crank arm. All Stages power meters are compatible with both ANT+ and Bluetooth SMART devices, which means you can use your favorite bicycle computer as well as a smartphone or