• All-new design with removable and replaceable thread-mount chainrings, available in 38T-46T
• Power readings are accurate within +/-1.5% and aren’t affected by climate conditions during a ride
• User replaceable CR2032 battery with 200-hour battery life
• Measures right and left leg power balance
• Ultra-light hollow carbon fiber crankarms are 29 grams lighter than previous generation
• DUB bottom bracket adds durability and simplicity
• Waterproof (IPX7 waterproof to 1 meter for 30 minutes)
• SRAM Model ID: FC-RED-1WP-E1