This review dives into the Sigma BC 10 WL wireless bike computer, examining its performance, accuracy, and ease of use. We put this budget-friendly option to the test, comparing its readings against established GPS devices like the Garmin Edge 800 to assess its reliability in tracking speed and distance. From unboxing and setup to a 10km test ride, we cover all aspects of the user experience, highlighting both its strengths and weaknesses. This review will help cyclists determine if the Sigma BC 10 WL is a worthwhile investment, offering a cost-effective alternative to more expensive cycling computers without compromising on crucial features.The Sigma BC 10 WL boasts a simple, single-button operation, making it incredibly user-friendly, even during intense rides. We explore its ten key functions, including speed, distance, and trip time, and assess the accuracy of its data collection. We also delve into the device's battery life, mounting system, and overall value for money. Find out if this surprisingly accurate and easy-to-use computer is the right choice for your cycling needs.
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Unboxing and Scope of Delivery
The Sigma BC 10 WL arrived in a compact package. Inside, I found the bike computer itself, a wireless transmitter, a handlebar mount, and a spoke magnet. Also included were some handy cable ties for secure attachment. The instruction manual is provided in both wired and wireless versions, ensuring clarity for all users.

Setting up the device is relatively straightforward thanks to the clear instructions. The package includes a quick-start guide for immediate use, which is highly convenient.
Mounting and Setup
Mounting the BC 10 WL was easy. I secured it to my handlebars using the provided cable ties. The sensor and magnet placement is flexible; I chose a higher position due to limited space near the fork on my bike.

The wireless connection between the sensor and the computer is seamless. The maximum distance is 70cm. The one-button operation makes it incredibly user-friendly, even while cycling.

Performance and Accuracy Test
I took the Sigma BC 10 WL for a 10km test ride, comparing its data to my Garmin Edge 800 and a GPS watch. The accuracy was surprisingly impressive.

Throughout the ride, I compared the distances recorded by the Sigma BC 10 WL, Garmin Edge 800, and my GPS watch. The readings were consistently very close, demonstrating good accuracy for speed and distance measurements.

Features and Battery Life
The Sigma BC 10 WL offers ten functions, all accessible via a single button. It includes standard features like speed, distance, and trip time. Battery life is excellent, estimated at a year and a half with an hour of daily use.

The device uses easily replaceable CR2032 batteries, which are conveniently pre-installed. The clear display is easy to read, even at a glance.

Comparison with Garmin Edge 800
While visually similar to the Garmin Edge 800, the Sigma BC 10 WL has a different mounting system. This prevents direct compatibility with some Garmin mounts.

Despite the mounting difference, the Sigma BC 10 WL's performance in terms of accuracy rivals that of the more expensive Garmin Edge 800, making it a very competitive option.

Conclusion
The Sigma BC 10 WL surprised me with its accuracy and ease of use. It's a cost-effective alternative to high-end cycling computers like the Garmin Edge 800, delivering reliable data without the complex interface. The single-button operation and long battery life are significant advantages.

While the mounting system's incompatibility with some mounts is a minor drawback, the overall performance and value for money make the Sigma BC 10 WL a strong contender in the market.
