• Power meter is fully integrated into the chainring for lighter weight and greater accuracy
• Power readings are accurate within +/-1.5% and aren’t affected by climate conditions during a ride
• Measures right and left leg power balance
• Ultra-light hollow carbon fiber crankarms are 29 g lighter than previous generation
• DUB bottom bracket adds durability and simplicity
• SRAM Model ID: FC-RED-1P-E1