SRAM RED AXS Power Meter Crankset - 172.5mm 2x 12-Speed 50/37t 8-Bolt Direct Mount DUB Spindle Interface Natural Carbon E1

The choice of SRAM's top professionals their lightest stiffest and most accurate integrated power meter and chainring combo just got lighter with a new carbon crankarm construction. The SRAM power meter is accurate to +/-1.5% and isn’t affected by temperature changes and the consistent 13-tooth gap on the rings ensures fast and reliable shifting. SRAM's integrated rings are also incredibly long-lasting. Plus they're offering more crankarm lengths than ever before to ensure this crank works for you.

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

One-piece 2x chainring results in a lighter weight stiffer more durable crankset

29g lighter than the previous generation

X-Range gearing technology gives you more range and a smoother gear progression so you’re always in the right gear

Designed to deliver crisp and accurate front shifts

Ultra-light hollow carbon fiber crankarms

DUB bottom bracket adds durability and simplicity (Sold separately)

45mm Chainline

Rings	50/37
Number of Chainrings	Double
Drivetrain Speeds	12
Chainring BCD	Direct Mount SRAM
Chainline/Hub Compatibility	135/142 Road Disc Hubs < 415 mm Chainstay
Color	Natural Carbon
Crank Length (mm)	172.5
Crank Intended Use	Road
BB Included	No
Pedal Spindle	9/16"
Spindle Interface Type	SRAM DUB
Defined Color	Carbon
Crank Arm Length	172.5Mm
Chainring Size	50/37T