4iiii - DUAL SIDE PRECISION 3 PRO ULTEGRA R8100 POWER METER 

Get ready to elevate your riding experience with the new PRECISION 3 PRO Powermeter with  . Delivering the same reliable and highly accurate power data you’ve come to expect from 4iiii, while enjoying the peace of mind that comes with knowing the location of your bike.

With advanced metrics such as left/right balance, pedal smoothness and torque effectiveness, the PRECISION 3 PRO Powermeter provides the data you need for training and racing. With up to 550 hours of battery life, an automatic terrain selector, /-1% accuracy and backed by our industry-leading 3-year warranty, the PRECISION 3 PRO Powermeter will be your trusted tool for years to come.

• APPLE FIND MY: Offering the peace of mind in knowing where your power meter is.

• BATTERY LIFE: With up to 550 hours of battery life, you won’t have to worry about changing your battery for years to come.

• ACCURACY IN 3D: 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.

• AUTOMATIC TERRAIN SELECTOR: Detects the terrain you’re riding on for more responsive cadence and power feedback/data. Ride the roads less traveled with confidence.

• CYCLING METRICS: Get more data like pedal smoothness and torque effectiveness to analyze and optimize your pedal stroke.

• LEFT RIGHT BALANCE: A dual power meter measures the power from each individual leg to calculate your total power output.

• ULTRA LOW PROFILE: With an ultra low profile design, the PRECISION 3 is compatible with more bike frames than ever before.

• LIGHT WEIGHT: 4iiii makes the lightest power meter on the market. We’re committed to helping you get faster, one gram at a time.

• WATERPROOF: Designed to work in our tough environment. With an IPX7 waterproof rating you can be assured that your power meter can handle the toughest conditions.

• 3 YEAR WARRANTY: A lot can happen in 3 years. You probably won’t need to use it, but it’s reassuring to know that all 4iiii power meters are backed by an industry leading 3-year warranty.