Inpeak Ultegra R8100 Single-Sided Powercrank Powermeter for Shimano Crank

The Inpeak Ultegra R8100 Powercrank - Single is a precision-engineered power meter integrated seamlessly with the Shimano Ultegra FC-R8100 crank. Designed to meet the rigorous demands of serious cyclists, this single-sided powermeter is your ultimate training companion, offering accurate and reliable data to enhance your performance. Combining advanced technology with robust durability, it suits a variety of disciplines including road, gravel, and mountain biking.

Crafted with passion in Poland, the Powercrank delivers exceptional accuracy with a ±2% measurement precision and operates flawlessly across a wide temperature range thanks to its active temperature compensation feature. The device transmits power and cadence data via ANT+ and Bluetooth Low Energy protocols, ensuring compatibility with a wide range of cycling computers and apps. Lightweight and waterproof (IP67), it withstands tough riding conditions while providing long battery life for uninterrupted use.

Every unit undergoes individual calibration to guarantee flawless performance and reliability. The Powercrank also tracks advanced cycling metrics such as torque effectiveness, pedal smoothness, and cycling dynamics, helping you gain deeper insights into your pedaling technique. Its compact, impact-resistant design ensures it remains protected through all your rides, making it an ideal choice for riders who demand precision and durability without compromise.

What It’s Good For

• Accurate measurement of power and cadence with ±2% precision for consistent performance tracking
• Seamless integration with Shimano Ultegra FC-R8100 crank for a sleek, professional setup
• Compatible with ANT+ and Bluetooth Low Energy, enabling real-time data transmission to multiple devices
• Durable IP67-rated waterproof and impact-resistant case suitable for all weather conditions and terrains
• Advanced cycling dynamics data such as torque effectiveness and pedal smoothness for enhanced training insights
• Long battery life with easy replacement and low battery notification to keep you riding without interruption
• Individual calibration and active temperature compensation maintaining accuracy in all environments
• Lightweight design (10g) that does not affect bike handling or performance
• Includes all necessary accessories such as spare O-ring, stickers, and a user-friendly manual for easy installation

What It’s NOT Good For

• Riders seeking a dual-sided power meter for separate left and right leg data
• Use on cranksets other than Shimano Ultegra FC-R8100 without compatibility adjustments
• Users who prefer integrated power meters within pedals rather than crank-based solutions
• Those who require power data beyond 2000 W, as the measurement range maxes out at this point
• Cyclists who want to avoid manual zero-offset calibration, although it is easy to perform

Frequently Asked Questions

Is the Inpeak Ultegra R8100 Powercrank compatible with my cycling computer?
Yes, it supports both ANT+ and Bluetooth Low Energy protocols, making it compatible with most popular cycling computers and smartphone apps.

How long does the battery last?
The included CR2032 battery offers up to 200 hours of active use and has a low battery notification to ensure you never run out mid-ride.

Can I use this power meter in extreme weather conditions?
Absolutely. The Powercrank features active temperature compensation and an IP67-rated waterproof case, designed to provide accurate readings from -5 °C to +50 °C and withstand harsh environments.

Does the Powercrank measure left and right leg power separately?
This model is a single-sided power meter, measuring power from the left crank arm only. For dual-sided data, another model would be required.

Is installation difficult?
The package includes a detailed instruction manual, spare O-ring, and all necessary components to make installation straightforward for anyone familiar with crank arms.