GARMIN Rally RK 100 Single-Sensing Power Meter

Rally Family
Battery type: LR44/SR44 (x4) or CR1/3N (x2)
Battery life: up to 120 hours
Maximum rider weight: 105 kg
Accuracy: +/- 1%
Field calibration
Adjustable release tension
Measurement location: spindle
Communication: ANT+® and Bluetooth®

Rally RK100
Weight: 334 g
water resistance.: IXP7
Cleat type: KEO
Q-factor: 53 mm (55 mm with provided 2 mm washer)
Stack height: 12.2 mm