Inpeak GRX RX820 1X Powercrank-E Twin2 Dual-Sided Cycling Power Meter

Experience the ultimate in cycling precision and performance with the Inpeak Grx Rx820 1X Powercrank-E | Twin2. This advanced power meter is seamlessly integrated with the Shimano GRX FC-RX820-1 crankset, delivering dual-sided power measurement designed to meet the rigorous demands of both road and gravel riders. Crafted with innovation and accuracy at its core, this power meter redefines your training and racing experience by providing detailed, reliable data to elevate your cycling efficiency.

The Powercrank-E | Twin2 represents the evolution of power meters, featuring additional strain gauges on both sides of the crank for enhanced precision. Its robust design includes a rechargeable Li-Po battery with up to 90 hours of active use and impressive durability guaranteed by professional rider feedback. Thanks to automatic temperature compensation, it maintains accuracy in a wide range of conditions from -5 °C to +50 °C. Coupled with ANT+ and Bluetooth Low Energy (BLE) transmission protocols, it ensures seamless connectivity with your cycling computer or smartphone, making it your indispensable training partner.

Designed and manufactured in Poland, this power meter combines cutting-edge technology with affordability, offering one of the most cost-effective solutions without compromising on quality. Each unit undergoes individual calibration to guarantee flawless performance, while features like gyroscope, accelerometer, and cycling dynamics metrics provide comprehensive insights into your pedaling technique. Whether you’re a competitive racer or an avid enthusiast, the Inpeak Grx Rx820 1X Powercrank-E | Twin2 empowers you to push your limits with confidence.

What It’s Good For

• Accurate dual-sided power measurement with ± 2% precision for monitoring performance.
• Reliable power data across a broad range of 20-2000 W, suitable for various cycling intensities.
• Seamless connectivity via ANT+ and Bluetooth Low Energy for real-time data transmission.
• Long battery life with rechargeable Li-Po battery offering up to 90 hours of active use.
• Durable, waterproof design (IP67 rating) built to withstand tough road and gravel conditions.
• Advanced features like torque effectiveness, pedal smoothness, and cycling dynamics for detailed analysis.
• Automatic temperature compensation to ensure consistent accuracy in diverse weather.
• Compatibility with popular training software including Zwift for immersive workout experiences.
• Individual calibration ensuring each power meter is precisely tuned for optimal performance.

What It’s NOT Good For

• Users seeking a power meter without integration with Shimano cranksets.
• Riders who prefer single-sided or pedal-based power meter systems.
• Those requiring compatibility with mountain bike-specific cranksets.
• Users who need an included external charger, as it requires a 5VDC, 1000mA charger (not included).
• Riders outside the operating temperature range of -5 °C to +50 °C.

Frequently Asked Questions

Is the Inpeak Powercrank-E compatible with all Shimano GRX cranksets?
This power meter is specifically integrated with the Shimano GRX FC-RX820-1 crankset. Compatibility with other Shimano GRX models may vary and should be verified before purchase.

How is the power meter charged?
The power meter uses a rechargeable Li-Po battery charged via the included magnetic USB cable. Charging time from 0% to 100% is approximately 2 hours, and it does not include an external charger—you will need a 5VDC, 1000mA charger.

What types of data can I expect to receive from this power meter?
You get comprehensive cycling metrics including power output, cadence, torque effectiveness, pedal smoothness, cycling dynamics, and left/right balance, providing a complete picture of your cycling performance.

Is it suitable for use in wet or harsh weather?
Yes, the power meter has an IP67 waterproof rating and includes automatic temperature compensation, making it reliable under various weather conditions.

How long does the battery last?
In active use, the battery lasts up to 90 hours. In sleep mode, it can last up to 6 months, and in ShipMode up to 24 months. Battery life is expected to retain over 80% capacity after 300 full charging cycles.