[10 inch]

Left crank with power meter
Battery Operated
Accuracy from the previous PRECISION (actual version is PRECISION 2) and weights are still extended to 800 hours of battery life,
It is also 2mm thinner.

LED light indicates status
LED Light Color:
Green - Starting
Blue - Zero when offset (calibration)
Red - Low Battery

3 Year Warranty (only for first owner)
Compatible with 4iii PRECISION2 Right Side Power Meter Can be used together.

Shimano Ultegra R8000
Crank Length: 6.5 / 6.7 / 6.9 / 6.9 inches (165 / 170 / 172.5 / 175 mm)