Detailed Specifications
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Brand: SRAM
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Model: RED 1 AXS D1 Crankset
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Crank Arm Length: 172.5 mm
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Drivetrain Speeds: 12-Speed
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Chainring: Available in 40T or 46T X-SYNC narrow-wide single-ring options
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Mount Type: 8-Bolt Direct Mount
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Spindle Interface: SRAM DUB
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Material: Carbon (Natural Carbon finish)
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Intended Use: Road / Triathlon / Cyclocross / Gravel
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Pedal Spindle: 9/16"
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Bottom Bracket: Not included (compatible with all SRAM Road DUB BBs)
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Chainline / Hub Compatibility: 130 mm hubs, 135/142 mm Road Disc hubs < 415 mm chainstay
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Defined Color: Carbon
Additional Features
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Single-ring drivetrain streamlines performance and reduces system weight.
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SRAM X-SYNC chainring technology provides superior chain control and quiet operation.
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Laser-etched chainring finish enhances long-term durability.
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Non-aero chainrings allow quick gear changes using a single tool.
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DUB bottom bracket design increases stiffness and simplifies compatibility.
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AXS compatibility allows seamless wireless shifting and optional Quarq power-meter upgrade.
Important Usage Notes
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Requires a SRAM DUB bottom bracket (sold separately).
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Designed specifically for SRAM RED AXS 1x 12-speed wireless drivetrains.
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Compatible with XPLR (10-44T) cassettes for mixed-surface versatility.
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Best suited for road racing and flatter terrain where tight gearing excels.
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Professional installation recommended for proper torque and alignment.
Riding Impressions
The SRAM RED 1 AXS D1 Crankset (172.5 mm) delivers uncompromising stiffness, efficiency, and chain security. Its carbon arms transfer power instantly, while the narrow-wide X-SYNC ring ensures stability through rough gravel or high-speed sprints. Ideal for riders who value clean aesthetics, light weight, and bulletproof reliability across road and gravel disciplines.
Disclosure
Includes crank arms and chainring (40T or 46T).
Bottom bracket and accessories sold separately.
Retail packaged with full SRAM manufacturer warranty.
Please retain your purchase invoice for warranty claims.
