The PRECISION for Shimano Ultegra 6800: Affordable, accurate and lightweight
Used by World Pro teams Quick-Step Cycling and BORA – hansgrohe, the 4iiii PRECISION Power Meter for Shimano Ultegra 6800 is the lightest, most affordable direct force power meter available. The 4iiii PRECISION power meter is accurate to within +/- 1% and adds a mere 9 grams of weight to your crank arm. The 4iiii is a left side crank arm-based power meter and takes the power that is generated by your left leg and doubles it in order to determine your total power output.
In addition to being affordable, lightweight and highly accurate, the 4iiii PRECISION measures precise cadence data, has 3D power meter technology capable of measuring tri-axial strain and is compatible with both ANT+ and Bluetooth SMART devices.
Crank arm lengths: 165 mm | 170 mm | 172.5 mm | 175 mm
The 4iiii PRECISION Power Meter For Shimano Ultegra 6800 is compatible with the following Shimano cranks:
|Name||4iiii PRECISION Ultegra 6800|
|Power Meter Type||Crank arm|
|Number of strain gauges||NA|
|Weight||9 grams (plus weight of crank arm)|
|Crank Arm Lengths||165, 170, 172.5, 175 mm|
|Battery Type||2032 coin cell|
|Battery Life||100 hours|
|Left/Right Power Measurement||No|
|Communication Protocol||Bluetooth SMART and ANT+|
|Claimed Accuracy||+/- 1.0%|