GRX RX820 CRANK | 2X12 | 4iiii PRECISION 3+ POWERMETER

GRX RX820 CRANKSET | 2X12 | 4iiii PRECISION 3+ POWERMETER

Crank - GRX 48/31

Arm length - 172.5

Power measurement - 4iiii PRECISION 3+ POWERMETER

Technical details of the 4iiii Precision 3+ power meter sensor

Power measurement: 4iiii's patented 3D measurement method

Accuracy: +/- 1%

Power measurement range: 0 - 4000 W

Cadence range: 30 - 170 rpm

Battery life: up to 800 h (manufacturer's specification)

Battery type: CR2032 (button cell)

Wi-Fi communication: ANT+ / Bluetooth

Status indicator: LED indicator

App compatibility: Apple Find My, Zwift, TrainerRoad, SYSTM etc.

Temperature range: 0 - 50 °C (operation) / -40 - 60 °C (storage)

Protection class (water resistance): IPX7 certified

Height: 5.5 mm

Weight: approx. 9 g (power meter without crank arm; manufacturer's specification)