4iiii PRECISION 3 Powermeter: Engineered for the Win

Unlock your true cycling potential with the 4iiii PRECISION 3 Powermeter. Designed for serious cyclists and pros, this non-drive side, 170mm crank arm is fully compatible with the Shimano Ultegra R8000 series.

Whether you're aiming for a Kona qualification, grinding out hours on a virtual trainer, or chasing a new KOM, this powermeter provides the accurate and reliable data you need to succeed. Enjoy peace of mind with a massive 800-hour battery life, industry-leading +/-1% accuracy, and a solid 3-year warranty, making the PRECISION 3 your go-to tool for years to come.

Features

• With up to 800 hours of battery life, you won’t have to worry about changing your battery for years to come.
• At only 9 grams the PRECISION 3+ Powermeter weighs about the same as a sip from your water bottle. Our goal is to help you get faster, not to slow you down.
• With an ultra low profile design, your 4iiii power meter is compatible with more bike frames than ever before.
• Not everyone has the perfect pedal stroke. With +/- 1% accuracy, 4iiii is the only crank-based power meter to use 3 strain gauges to measure all forces in your pedal stroke.

Specification

• Type- Non-Drive Side
  
• Battery Life- up to 800 Hours
• Waterproof Rating- IPX7
• Cadence Range- 30 - 170 rpm
• Power Range- 0 - 4,000 W
• ANT+ & Bluetooth Smart- Yes
• Accuracy +/- 1 %- Yes
• Automatic Terrain Selector- Yes
• Cycling Metrics- Yes