4iiii Power Meter Shimano Ultegra 6800 Left Side

Regardless whether you’re a pro or simply training super hard, PRECISION power meters deliver industry-leading accuracy, super dependable cadence data, 3D power meter technology capable of measuring tri-axial strain on your crank arm. Designed in-house to be both durable and lightweight, and compatible with ANT+ and Bluetooth head units, train harder and smarter with PRECISION. 

Features

• Suits Shimano Ultegra 6800 170mm cranks
• 3D power meter technology (patent pending) measures tri-axial strain on your crank arm
• Extremely accurate and 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

Specifications

• Weight: 9 grams
• Data accuracy: +/- 1% error margin
• Battery life: 100+ riding hours on 2032 coin cell battery