Gear News

As athletes, we are always looking for ways to measure our training. In cycling, we have power meters to give us instant feedback. Running, well, we have heart rate which can be skewed by things such as caffeine, sleep, stress, and temperature.

A new company is trying to change that. BSX Insight came up with a new device that will measure your horsepower, or lactate threshold, by using its wearable device. The device look promising and is currently on Kickstarter where you can get one yourself  for $175, while helping the startup company to fund this project.

For those unfamiliar, lactate threshold is the gold standard for endurance training. It is a powerful predictor of performance in aerobic exercise and, up until now, it’s always been laboratory-based blood test. Making lactate threshold easily accessible to endurance athletes everywhere is Insight’s true differentiator.

BSX claims their patented device can measure how your body is responding to training by measuring your lactate threshold. According to the founders, it is 95% accurate at predicting your race performance.

According to the company:

Insight “looks inside” your muscle during exercise to measure real bio signals and determine how hard you’re actually working, compared with how hard you should be working. Through paired communication with your sports watch it lets you know, in real-time, whether to speed up, slow down, or even rest.

In addition to lactate threshold, the device can measure other important metrics such as heart rate, pace/speed, cadence, and calories.

The device can sync-up with most sport watches, such as Garmin 910, and provide you with instant feedback. Insight is compatible with ANT+ and Bluetooth 4.0.

Insight is worn on the back of your calf and held in place by a compression sleeve. The device is only a prototype now, but by the time of production, it is expected to be approximately 40% smaller and lighter, as well as get a design overhaul to make it sleeker.


If the device work as advertised, this would probably be one of the first devices that can simulate power output on the bike but for running, rather than just using heart rate or perceived exertion.

If you are interested in getting your hands on this new device, be sure to check out the BSX Insight KickStarter page.