![Amazon.com : 4iiii Precision Pro Powermeter | Shimano FC-R7000 | 172.5mm/53-39T | View Advanced Metrics Like Left/Right Balance, Pedal Smoothness, and Torque Effectiveness | For Training & Racing : Sports & Outdoors Amazon.com : 4iiii Precision Pro Powermeter | Shimano FC-R7000 | 172.5mm/53-39T | View Advanced Metrics Like Left/Right Balance, Pedal Smoothness, and Torque Effectiveness | For Training & Racing : Sports & Outdoors](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/71KQ61L9JAL._AC_UF1000,1000_QL80_.jpg)
Amazon.com : 4iiii Precision Pro Powermeter | Shimano FC-R7000 | 172.5mm/53-39T | View Advanced Metrics Like Left/Right Balance, Pedal Smoothness, and Torque Effectiveness | For Training & Racing : Sports & Outdoors
![Amazon.com : 4iiii Precision Powermeter Left Side | Dura-Ace 9100 | 170mm | Measures Each Pedal Stroke with 3D Strain Gauges : Sports & Outdoors Amazon.com : 4iiii Precision Powermeter Left Side | Dura-Ace 9100 | 170mm | Measures Each Pedal Stroke with 3D Strain Gauges : Sports & Outdoors](https://images-na.ssl-images-amazon.com/images/I/5199-GeftSL._AC_UL600_SR600,600_.jpg)
Amazon.com : 4iiii Precision Powermeter Left Side | Dura-Ace 9100 | 170mm | Measures Each Pedal Stroke with 3D Strain Gauges : Sports & Outdoors
![4iiii Precision Powermeter Left Side | Shimano 105-R7000 | 175mm | Measures Each Pedal Stroke with 3D Strain Gauges 4iiii Precision Powermeter Left Side | Shimano 105-R7000 | 175mm | Measures Each Pedal Stroke with 3D Strain Gauges](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61L+6dgIWoL._AC_UF1000,1000_QL80_.jpg)