In certain disciplines, the single-ring drivetrain reigns supreme. Championing simplicity, strength and durability, the SRAM RED 1 AXS power meter meets the demands of triathletes, time trialists and cyclocross racers.

• Single-ring drivetrain simplifies functionality.
• 48 and 50t variants have fully integrated power into a direct mount aero chainring.
• 36-46t variants have spider-based power.
• Chainrings can be easily changed without requiring recalibration of the power meter.
• 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.
• SRAM X-SYNC wide-tooth, narrow-tooth chainring technology provides maximum chain control.
• Laser-etched chainring finish is more durable.
• DUB bottom bracket adds durability and simplicity.
• Non-aero chainrings can be installed with a single tool, making gearing changes a breeze.
• Speeds:12.
• Crank arm length:165mm, 167.5mm, 170mm, 172.5mm, 175mm, 177.5mm.
• BB Compatibility: All SRAM Road DUB BBs.
• Chainring Size:40, 46, 48, 50.
• Bolt Circle Diameter (BCD): Direct Mount (DM).
• Chain line: 45.0mm. BB Spindle Interface: DUB. Chainring material: Aluminium.
• Guard: No Guard
• Crank arm material: Carbon
• Colour (Crank arm): Natural carbon Power Meter Type: ANT+ and BLE