4iiii power meters and smart trainers are distinguished by accuracy, quality and security. Choose the Smart trainers and power meters if you want to continue with your training.
The Shimano Precision power meter (4iiii) is one of the most innovating power meters for your bike ever. Train with the power meter with the Rosiir trainingschedules. 4iiii Precision is been used by Team Quick-Step and Team Bora!