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
| BCD | 
Thread Mount | 
| BB Inclusion | 
No | 
| Chainline | 
47.5mm | 
| Teeth | 
42 | 
| Connectivity | 
ANT+ BT LE | 
| Crank Spindle Diameter | 
28.99mm | 
| Crank Arm Length | 
167.5mm | 
| Interface | 
DUB | 
| Crankset Material | 
Carbon | 
| Pedals Thread | 
9/16 | 
| Primary Color | 
Black | 
| Speed | 
12/13 | 
| Drivetrain Spacing | 
Road Disc |