FXR B831A Power Meter

( Brand: Fxr ), ( Manufacturer Part Number: B831A ), ( Part Type: Meter )

Review FXR Extremely Rare Vintage Power Meter Type

The FXR B831A Power Meter is a high-performance, integrated power and cadence measurement system designed for serious cyclists who demand accurate and reliable data to optimize their training and racing. This power meter is specifically designed for Shimano Hollowtech II cranksets, making it a perfect upgrade for Shimano users.

The FXR B831A Power Meter utilizes a robust strain gauge system to measure power output with exceptional accuracy. It is capable of measuring power in both legs independently, providing valuable data on left and right power balance. Additionally, this power meter includes cadence measurement, ensuring that you have a complete understanding of your pedaling efficiency.

This power meter is built with a sleek and lightweight design, weighing only 244 grams. It is constructed with top-quality materials, ensuring durability and reliability even under the most demanding conditions. The FXR B831A Power Meter is easy to install, with a straightforward setup process that can be completed in about 15 minutes.

The power meter communicates with your bike computer or smartphone via ANT and Bluetooth, allowing you to view your power, cadence, and other performance data in real-time. It is compatible with a wide range of bike computers and smartphone apps, including Garmin, Wahoo, and TrainingPeaks.

The FXR B831A Power Meter also includes a rechargeable battery, which can be easily charged via micro-USB. The battery lasts for up to 30 hours on a single charge, ensuring that you have plenty of power for long rides or races.

In summary, the FXR B831A Power Meter is a high-performance, integrated power and cadence measurement system designed for serious cyclists. It is easy to install, lightweight, and durable, and provides accurate and reliable data to help you optimize your training and racing. With its sleek design, compatibility with a wide range of bike computers and smartphones, and long-lasting battery, the FXR B831A Power Meter is an essential tool for any cyclist who wants to take their training to the next level.

The FXR B831A power meter is a cycling component that measures and records power data to help athletes train more effectively. Here are some pros and cons of buying this power meter:

1. High Accuracy: The FXR B831A power meter is known for its high accuracy and reliability. It uses strain gauge technology and temperature compensation to ensure precise power measurement.

2. Easy Installation: The power meter can be installed on most standard road and triathlon cranks without the need for a new crankset. This makes it a versatile option for cyclists who want to upgrade their current setup.

3. Compatibility: The FXR B831A power meter is compatible with various cycling computers and training apps, allowing users to track and analyze their power data in real-time.

4. Durable: The power meter is made from high-quality materials and is designed to withstand the rigors of training and racing. It is also waterproof and can be used in all weather conditions.

5. Affordable: Compared to other power meters on the market, the FXR B831A is relatively affordable, making it an attractive option for budget-conscious cyclists.

1. Limited Features: The FXR B831A power meter does not offer advanced features like vector analysis or left/right power balance. This may be a drawback for serious racers and trainers who require more detailed data.

2. Compatibility Issues: While the power meter is compatible with many cycling computers and training apps, there may be some compatibility issues with certain brands or models. This can be frustrating for users who want a seamless experience.

3. Calibration: Like all power meters, the FXR B831A requires regular calibration to ensure accurate readings. This can be a time-consuming process, and users may need to send the meter back to the manufacturer for recalibration from time to time.

4. Weight: The power meter adds some weight to the crankarm, which may be a concern for some cyclists. However, the weight difference is relatively small and should not significantly impact performance.

The FXR B831A power meter is a reliable and accurate option for cyclists who want to train more effectively and improve their performance. Its easy installation, compatibility with various devices, and affordability make it an attractive choice for budget-conscious riders. However, it may not offer advanced features like vector analysis or left/right power balance, and there may be some compatibility issues with certain devices. Ultimately, the FXR B831A power meter is a solid choice for cyclists who want a dependable and affordable power meter to help them train smarter and race faster.

If you are a cyclist looking to upgrade your training with a power meter, the FXR B831A is a great option to consider. Its high accuracy, easy installation, and affordability make it a solid choice for riders of all levels. However, if you require advanced features like vector analysis or left/right power balance, you may want to consider other more expensive options. Overall, the FXR B831A power meter is a reliable and cost-effective way to take your training to the next level.

Details:

This item was previously used at Northwestern University in their Electrical Engineering division. This is truly a unique collectors item one of kind. An extremely rare piece, almost none are known to still exist, nonetheless in this shape. With its retro design and unique capabilities, this power meter is a rare find for enthusiasts of consumer electronics.

part #: b831a prices

• $39.99-$49.99

specifications vintaelec:

• brand: Fxr
• mpn: B831a
• part type: Meter

shipping vintaelec:

• transit: 4-10 Days
• service: FedEx Ground or FedEx Home Delivery
• class: Standard
• carrier: FedEx
• cost: $5.80
• type: Fixed

seller vintaelec:

• # reviews: 1153
• city: Mount Prospect, Illinois
• rating: 100.0%

payments vintaelec:

• wallet: Google-pay
• other
• credit card: Discover

returns vintaelec:

• policy: No Returns

offer vintaelec:

• started: April 20, 2025
• sold: 0
• best offers: True
• options: Ship-to-home
• availability: In Stock
• quantity: 1

general vintaelec:

• Consumer Electronics > Vintage Electronics > Other Vintage Electronics
• condition: For parts or not working