In certain disciplines, the single-chainring drivetrain reigns supreme.

Championing simplicity, strength, and durability, the SRAM Red 1 AXS Aero powermeter meets the demands of triathletes and time trialists.

The powermeter is integrated in the direct mount chainring and the tighter gearing range is perfect for racing and areas with flatter terrain. The SRAM Red 1 AXS Aero powermeter is also designed with Quarq DZero power measurement into crankset. Thanks to a professional performance-controlled training, you are ready to climb the cycling monuments. 

The SRAM Red carbon crankset features a completely hollow crankarm construction called Exogram. It is paired with a particularly aerodynamic direct mount chainring with disc design and X-Sync for perfect chain retention. Like the current SRAM MTB cranks, the SRAM Red crank is also equipped with the universal DUB (Durable Unified Bottom Bracket) crank spindle which can be universally used in all common bottom bracket shells, also increases rigidity. The bearing play will be fine tuned with an adjuster ring. 

Technologies

AXS - AXS is SRAM’s new wireless bike component integration system that connects electronic bicycle components and software. The SRAM AXS App allows riders to see battery status, change component behavior personalize controls, get maintenance reminders, and update firmware. 

Exogram - The new Hollow Carbon Construction starts in the crank arm and extends into the cranks' spider. It maximizes the stiffness to weight ratio. 

DUB - DUB technology features a better-engineered bottom bracket and a new spindle design. Together, these allow for a more uniform approach to bottom bracket fitment, better sealing against contamination and forward and backward compatibility. Now everyone can benefit from a new measure of durability.

Features

1-speed chainring setup simplifies functionality and reduces weight

48 and 50t variants feature direct mount aero chainrings for better aerodynamics

the Powermeter is fully integrated into the chainring desgin and therefore it just adds 36g

power readings are accurate within +/-1.5% and aren’t affected by climate conditions during a ride

Power Balance measures left and right legs separately

improved front shifting performance for crisp and accurate front shifts

unique Direct Mount chainring design (not SRAM MTB DM compatible) results in a lighter weight, stiffer, more durable crankset

DUB bottom bracket adds durability, simplicity and broad compatibility

Speciftications

Material: crank arms: carbon

Chainring: Aluminium

Included in delivery: Crank incl. chainring without bottom bracket cups

Fitting for derailleur: SRAM 1x12-speed

Chainline: 45 mm

Axle profile: DUB hollow spindle (28.99mm)

Direct Mount Standard: SRAM Direct Mount

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