SHIMANO ULTEGRA R8100 crankset with DOUBLE 4iiii PRECISION 3+ PRO power meter (right star, left crank & chainrings)
Shimano Ultegra 8100 crankset with 4iiii Precision 3+ Pro dual power meter (left crank and bottom bracket) to stay as close as possible to its performance. Compatible with Ultegra 12 speed.
With exceptional precision and reliability, the Precision 3+ Pro power meter has already proven itself during use in competition, whether at the mountain finish of Alpe D'Huez of the Tour de France or on the Queen K Highway during the Ironman World Championship in Hawaii. With 4iiii's patented 3D strain gauge technology, which delivers +/-1% accuracy, athletes get accurate data when they need it most.
Whether training or racing, the Powermeter Precision 3+ Pro provides road cyclists as well as triathletes with the most accurate results. Through the use of two sensors, the left/right balance is also recorded, from which information can be derived about the regularity of pedaling as well as torque efficiency. Thus equipped, the Precision 3+ Pro power meter becomes the ultimate training tool to help every cyclist achieve their personal goals.
The 4iii Precision 3+ PRO LR power meter crankset for Ultegra 8100 in details:
- power measurement: 4iiii patented 3D measurement method
- accuracy: +/- 1%
- power measurement range: 0 – 4000 W
- cadence range: 30 – 170 rpm
- Battery life: up to 550 h (manufacturer's specification)
- battery type: CR2032 (button battery)
- Wi-Fi communication: ANT+ / Bluetooth
- status indication: LED indicator
- App compatibility: Apple Find My, Zwift, TrainerRoad, SYSTM, etc.
- temperature range: 0 – 50°C (operation) / -40 – 60°C (storage)
- protection class (waterproof): IPX7 certified
- weight: approx. 9 / 20 g (left/right power meter; manufacturer's specification)
Sizes:
- Teeth: 50/34; 52/36
- Length of cranks Power Meter 4iiii: 165mm; 170mm; 172.5mm; 175mm
- Axle diameter: 24mm
