Key Features:
• Model: 4iiii PRECISION (Coin-cell battery version).
• Compatibility: Designed for Shimano Ultegra drivetrains. It is a "Non-Drive Side Ride Ready" unit, meaning it replaces your existing left crank arm.
• Connectivity: Features both ANT+ and Bluetooth for syncing with bike computers (Garmin, Wahoo, etc.) and smartphone apps.
• Condition: The unit appears to be in its original packaging. The crank arm itself shows the "Ultegra" branding clearly and includes factory torque specifications (12\text{--}14\text{ N}\cdot\text{m}) printed on the side.
• Technical Specs: Lightweight, wa...