Experience cutting-edge performance with a power meter fully integrated into the chainring, offering a lighter weight and enhanced accuracy. Power readings are precise within +/-1.5% and remain unaffected by varying climate conditions during your ride. This innovative design measures right and left leg power balance, ensuring you can optimize your cycling efficiency. The ultra-light hollow carbon fiber crankarms are designed to be 29 g lighter than previous generations, while the DUB bottom bracket adds both durability and simplicity. SRAM Model ID: FC-RED-1P-E1. Elevate your cycling experience with this advanced crankset that combines innovative technology and lightweight materials, designed for serious cyclists seeking precision and performance.