![4iiii Shop - USA/World: Single-sided and dual-sided power meters for Shimano, SRAM, Praxis, and Campagnolo cranks 4iiii Shop - USA/World: Single-sided and dual-sided power meters for Shimano, SRAM, Praxis, and Campagnolo cranks](https://cdn.shopify.com/s/files/1/1079/1696/products/PREICSIONPRO_PODS_Triangle2_large.jpg?v=1616788535)
4iiii Shop - USA/World: Single-sided and dual-sided power meters for Shimano, SRAM, Praxis, and Campagnolo cranks
![4iiii Shop USA: PRECISION PRO Dual-side power meters - Shimano - Ultegra FC-R8100 (NOT COMPATIBLE WITH 50/34 CHAINRINGS) 4iiii Shop USA: PRECISION PRO Dual-side power meters - Shimano - Ultegra FC-R8100 (NOT COMPATIBLE WITH 50/34 CHAINRINGS)](http://cdn.shopify.com/s/files/1/1079/1696/products/4iiii_PRECISION_PRO_9100_FI.jpg?v=1637771509)
4iiii Shop USA: PRECISION PRO Dual-side power meters - Shimano - Ultegra FC-R8100 (NOT COMPATIBLE WITH 50/34 CHAINRINGS)
![4iiii Shop - USA/World: Single-sided and dual-sided power meters for Shimano, SRAM, Praxis, and Campagnolo cranks 4iiii Shop - USA/World: Single-sided and dual-sided power meters for Shimano, SRAM, Praxis, and Campagnolo cranks](https://cdn.shopify.com/s/files/1/1079/1696/products/4iiii_PRECISION_PRO_9100_Small_4cb53e46-df00-4f79-81c5-6b4715e7740d_large.jpg?v=1616788535)
4iiii Shop - USA/World: Single-sided and dual-sided power meters for Shimano, SRAM, Praxis, and Campagnolo cranks
![Amazon.com: 4iiii Precision Powermeter 3 Left Side | FC-R7000 | 165mm | Measures Each Pedal Stroke with 3 Strain Gauges | IPX7 Water Resistance | Up to 800 Hours Battery Life | Ultra Low Profile : Automotive Amazon.com: 4iiii Precision Powermeter 3 Left Side | FC-R7000 | 165mm | Measures Each Pedal Stroke with 3 Strain Gauges | IPX7 Water Resistance | Up to 800 Hours Battery Life | Ultra Low Profile : Automotive](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/S/aplus-media-library-service-media/17480764-2c3a-433a-9625-4b641e690291.__CR0,0,1940,1200_PT0_SX970_V1___.jpg)