Inpeak GRX RX820 2X Powercrank-E Twin2 Dual-Sided Power Meter for Shimano GRX FC-RX820-2

The Inpeak Grx Rx820 2X Powercrank-E - Twin2 is a cutting-edge dual-sided power meter seamlessly integrated with the Shimano GRX FC-RX820-2 crankset, designed to deliver the highest precision and reliability for demanding cyclists. This advanced power meter elevates your training by providing accurate, real-time data on your power output and cadence, allowing you to optimize your performance on both road and gravel terrains. Built with durability and weather resistance in mind, it ensures consistent readings in varied conditions, thanks to its automatic temperature compensation feature.

Engineered as a refreshed evolution of the POWERCRANK-E TWiN2 system, this model boasts enhanced measurement points for even greater accuracy. Featuring a rechargeable battery and innovative strain gauges on both crank arms, it provides comprehensive cycling dynamics including balance, torque effectiveness, and pedal smoothness. Its compact, low-profile design maintains your bike’s aesthetic while delivering professional-grade metrics, making it an indispensable companion for cyclists seeking to push their limits and refine their technique.

Developed and calibrated in Poland, the Inpeak Grx Rx820 2X Powercrank-E stands out by combining precision, affordability, and robust construction. Its compatibility with ANT+ and Bluetooth Low Energy protocols ensures seamless connectivity with popular cycling apps and devices, including Zwift. The included USB charging cable simplifies power management, while the integrated software features enable easy updates and customization, ensuring your power meter evolves alongside your training needs.

What It’s Good For

• Providing precise dual-sided power and cadence measurements for accurate performance tracking.
• Enhancing training effectiveness by delivering detailed cycling dynamics such as torque effectiveness and pedal smoothness.
• Ensuring reliable operation in a wide range of weather conditions through automatic temperature compensation.
• Supporting long rides with a rechargeable battery offering up to 90 hours of use and quick 2-hour charging.
• Seamlessly integrating with popular cycling software and devices via ANT+ and Bluetooth Low Energy connectivity.
• Offering easy calibration and software updates through the INPEAK MANAGER App for personalized accuracy.
• Durable and waterproof design (IP67 rating) suitable for both road and gravel biking adventures.

What It’s NOT Good For

• Users seeking a power meter compatible with cranksets other than the Shimano GRX FC-RX820-2.
• Those who prefer non-rechargeable battery systems or do not want to manage charging routines.
• Cyclists requiring power measurement outside the specified temperature range of -5 °C to +50 °C.
• Riders looking for a power meter with integrated display or standalone data visualization.
• People needing compatibility with non-standard or proprietary wireless protocols beyond ANT+ and BLE.

Frequently Asked Questions

Is the Inpeak Grx Rx820 2X Powercrank-E compatible with all Shimano GRX cranksets?
It is specifically designed for the Shimano GRX FC-RX820-2 crankset and may not be compatible with other variants or models.

How long does the battery last and how is it charged?
The rechargeable Li-Po battery provides up to 90 hours of active use and charges fully in approximately 2 hours via the included magnetic USB cable.

Can I use this power meter in wet or extreme weather conditions?
Yes, the device features an IP67 waterproof rating and automatic temperature compensation, ensuring accurate measurements from -5 °C to +50 °C, even in challenging weather.

Does the power meter support connectivity with training apps like Zwift?
Absolutely. It supports both ANT+ and Bluetooth Low Energy protocols, including a Zwift compatible mode for seamless integration with popular training platforms.

Is calibration required and how is it performed?
Each power meter is individually calibrated before installation, and manual zero-offset calibration is supported to maintain accuracy over time.