4iiii - precision power meter - ultegra r8000

• 5 stars, based on 1 votes

• Whether youre a pro or simply training hard
• PRECISION powermeters deliver industry-leading accuracy
• Highly dependable cadence data
• 3D powermeter technology capable of measuring tri-axial strain on your crank arm
• Designed to be durable and lightweight
• Compatible with ANT+ and Bluetooth head units
• PRECISION helps you train harder and smarter