
4iiii Innovations Precision PowerMeter Ultegra R8000
Whether you’re a pro or simply training hard, the 4iiii Precision Shimano Ultegra R8000 Left Crank powermeter delivers industry-leading accuracy and highly dependable cadence data. This lightweight and durable crank arm features 3D powermeter technology, measuring tri-axial strain. Compatible with ANT+ and Bluetooth head units, smartphones, and other 4iiii products, this powermeter also offers a user-friendly app with configurable rider compensation scale factor. The battery status indicator via the 4iiii app ensures you never miss a beat. Easy to set up and maintain, this crank arm is a must-have for any serious cyclist.
Features:
- 3D powermeter technology (patent pending) measures tri-axial strain on your crank arm
- Accurate, consistent data
- Lightweight, compact design
- Battery status indicator via 4iiii app
- Compatible with ANT+, Bluetooth Smart head units, smartphones, and other 4iiii products
- User-friendly app and configurable rider compensation scale factor
- Easy setup and maintenance
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From $164.43
Original: $469.81
-65%4iiii Innovations Precision PowerMeter Ultegra R8000—
$469.81
$164.43More Images


4iiii Innovations Precision PowerMeter Ultegra R8000
Whether you’re a pro or simply training hard, the 4iiii Precision Shimano Ultegra R8000 Left Crank powermeter delivers industry-leading accuracy and highly dependable cadence data. This lightweight and durable crank arm features 3D powermeter technology, measuring tri-axial strain. Compatible with ANT+ and Bluetooth head units, smartphones, and other 4iiii products, this powermeter also offers a user-friendly app with configurable rider compensation scale factor. The battery status indicator via the 4iiii app ensures you never miss a beat. Easy to set up and maintain, this crank arm is a must-have for any serious cyclist.
Features:
- 3D powermeter technology (patent pending) measures tri-axial strain on your crank arm
- Accurate, consistent data
- Lightweight, compact design
- Battery status indicator via 4iiii app
- Compatible with ANT+, Bluetooth Smart head units, smartphones, and other 4iiii products
- User-friendly app and configurable rider compensation scale factor
- Easy setup and maintenance
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Whether you’re a pro or simply training hard, the 4iiii Precision Shimano Ultegra R8000 Left Crank powermeter delivers industry-leading accuracy and highly dependable cadence data. This lightweight and durable crank arm features 3D powermeter technology, measuring tri-axial strain. Compatible with ANT+ and Bluetooth head units, smartphones, and other 4iiii products, this powermeter also offers a user-friendly app with configurable rider compensation scale factor. The battery status indicator via the 4iiii app ensures you never miss a beat. Easy to set up and maintain, this crank arm is a must-have for any serious cyclist.
Features:
- 3D powermeter technology (patent pending) measures tri-axial strain on your crank arm
- Accurate, consistent data
- Lightweight, compact design
- Battery status indicator via 4iiii app
- Compatible with ANT+, Bluetooth Smart head units, smartphones, and other 4iiii products
- User-friendly app and configurable rider compensation scale factor
- Easy setup and maintenance
























