Bring professional-grade power analytics to your indoor training with the 4iiii Power Sensor Crank Kit for SC5 and SC7 bikes. Utilizing the same patented 3D strain gauge technology trusted by WorldTour teams, this crank delivers 1.5% accuracy for unmatched reliability. Seamlessly connect via Bluetooth Smart or ANT+ to cycling apps, consoles, and performance trackers to monitor watts, calories, and training progress with lab-quality precision.

Features:

• Industry-leading 1.5% power measurement accuracy

• Dual wireless connectivity (Bluetooth Smart & ANT+)

• IPX7 waterproof rating for sweat/splash resistance

• 2000+ hour battery life (2x AA batteries)

• Team-proven by Quick-Step Floors and Canadian Cycling

• Direct crank-based measurement (no chainring interference)

Compatibility:

• SC5, SC7 series bikes