4iiii - Power Meter Precision - Shimano Dura-Ace R9100 (Arm from Crankset)

Product details

Whether you're a professional or just training, Power Meters PRECISION offers industry-leading accuracy, highly reliable cadence data, 3D powermeter technology capable of measuring tri-axial stress on your crank arm. Designed to be durable and lightweight, compatible with ANT+ and Bluetooth head units, PRECISION helps you train harder and smarter.

PRECISION Ride Ready is installed on a new Shimano left-hand crank arm (105, Ultegra, or Dura-Ace). These crank arms adapt to bottom brackets thanks to the Hollowtech ii interface.

Features

• Patent-pending 3D sensor technology measures triaxial stresses on your crank arm
• Accurate, consistent data
• Lightweight and compact
• Battery status indicator via the 4iiii application
• Compatible with ANT+, Bluetooth Smart, smartphones, and other 4iiii products
• Easy installation and maintenance

Specifications

• Weight: 9 grams
• Data accuracy: Margin of error +/- 1
• Battery life: over 100 hours of operation with a 2032 battery