10 Best Cycling Power Meters 2025 in the United States

The Favero Assioma Duo Pedal Based Cycling Power Meter is a reliable option for cyclists looking for accurate power measurement. One of its main strengths is the dual-sensor system that measures power from both the left and right legs independently, providing precise data. This feature is particularly beneficial for serious cyclists who want detailed insights into their pedaling dynamics, including left/right balance, torque efficiency, and pedal smoothness.

Installation is straightforward, and the pedals can be easily transferred between bikes without requiring special tools, making it convenient for those who own multiple bikes. The rechargeable battery lasts up to 50 hours, and the automatic standby function helps conserve battery life, ensuring the power meter is ready to use when you start pedaling. Additionally, the magnetic connectors offer ease when charging the device. Durability-wise, the pedals are built to withstand various weather conditions, adding to their reliability.

However, the weight of the pedals at 3.33 pounds is on the heavier side, which might not be ideal for users looking for lighter options. The product includes extra cleats with zero float, which might not suit all riding preferences as some cyclists may prefer cleats with more float for greater flexibility. Despite these minor drawbacks, the Favero Assioma Duo is highly rated by users for its accuracy and comprehensive data metrics, making it a strong candidate for those invested in improving their cycling performance.

The Garmin Rally RK100 Single-Side Power Meter Bike Pedals Bundle is an excellent choice for cyclists seeking precision and ease of use. The single-sensing power meter measures total power and cadence accurately, providing vital data for those focused on improving their cycling performance. Additionally, the system is upgradeable, allowing for more detailed analytics as your training needs evolve, making it suitable for both beginners and more advanced cyclists.

The pedals are designed to be effortlessly installed and are compatible with a wide range of bikes, particularly those using LOOK KEO cleats, ensuring flexibility and ease of transition between rides. The integration with the Garmin ecosystem further enhances the user experience, enabling seamless connectivity with Garmin watches, Edge computers, and smartphones for up-to-date firmware and comprehensive data review on platforms like Garmin Connect and Strava. The battery life is commendable, lasting up to 120 hours, reducing the need for frequent recharges during long training periods. The included protective cleat covers are a thoughtful addition, preventing damage to the cleats when walking on hard surfaces.

However, being a single-sensing power meter, it only provides data from one side, which might be a drawback for those looking for dual-sided measurement for more balanced power distribution. The product's weight is 1 pound, which is relatively light but should be considered if you are highly particular about minimal weight additions to your bike. In terms of durability and weather resistance, the aluminum build offers a robust construction, but more extensive use and exposure to varied weather conditions would be the real test of its longevity. The Garmin Rally RK100 is a reliable and efficient tool for cyclists aiming to accurately measure and improve their performance with the added benefit of seamless technology integration.

The Garmin Rally RS100 is a highly functional single-side power meter designed for road cyclists. It stands out with its easy installation and compatibility with Shimano SPD-SL cleats, making it convenient for those with multiple bikes. This pedal power meter offers precise power and cadence tracking, essential for improving cycling performance.

While it only measures power on one side, it can be upgraded to a dual-sensing system, which is beneficial for cyclists looking to expand their training data in the future. The battery life is impressive, providing up to 120 hours on a single charge, reducing the need for frequent recharges. Connectivity is seamless, integrating well with Garmin’s ecosystem and other popular cycling apps for comprehensive data analysis and route planning.

The included cleat protectors are a thoughtful addition, ensuring durability during walks on hard surfaces. However, it’s important to note that the RS100’s single-side measurement may not provide as comprehensive data as dual-sided systems initially. The weight is moderate at 1 pound, and the aluminum construction offers good durability, though some cyclists might prefer lighter materials. This power meter is ideal for road cyclists seeking an accurate and upgradeable system with strong community and app support.