SRAM RED XG-1290 E1 – Premium Racing Performance with a Distinctive Rainbow Finish

Experience exceptional shifting precision, lightweight performance and distinctive styling with the SRAM RED XG-1290 E1 12-Speed Cassette in Rainbow. Designed for the SRAM RED AXS drivetrain, this premium road cassette combines advanced X-DOME construction, SRAM's X-Range gearing technology and a striking Rainbow finish.

The cassette's precision-machined steel construction provides an excellent balance of strength, stiffness and low weight, making it an outstanding choice for competitive road cycling and demanding endurance rides.

With a 10-tooth starting sprocket and carefully optimised gear progression, the RED XG-1290 E1 delivers a wide usable gear range while helping riders maintain an efficient cadence across changing terrain.

Available in four configurations – 10–28T, 10–30T, 10–33T and 10–36T – the cassette allows riders to choose the ideal gearing for fast road racing, rolling routes, challenging climbs and long-distance adventures.

Key Features & Benefits

• SRAM RED E1 Performance – Developed for SRAM's premium RED AXS road drivetrain, delivering responsive and precise electronic shifting.

• X-DOME Construction – Precision-machined steel construction combines exceptional strength, stiffness and reduced weight.

• X-Range Gearing Technology – Optimised gear progression provides an excellent balance between a wide overall range and comfortable cadence adjustments.

• 10-Tooth Starting Sprocket – Enables a wider gearing range and efficient high-speed riding with appropriately matched chainrings.

• Smooth and Accurate Shifting – Carefully engineered tooth profiles and shift ramps deliver fast, consistent gear changes with compatible SRAM AXS drivetrains.

• Lightweight Racing Design – Advanced construction minimises unnecessary weight without compromising durability.

• Four Gearing Configurations – Choose between 10–28T, 10–30T, 10–33T and 10–36T to match your terrain and riding preferences.

• SRAM XDR Freehub Compatibility – Specifically designed for SRAM XDR freehub bodies.

• Distinctive Rainbow Finish – Eye-catching Rainbow cassette appearance adds a premium visual accent to high-performance road bikes.

• Race-Ready Reliability – Engineered to deliver dependable performance during intense accelerations, demanding climbs and competitive riding.

Performance That Stands Out

The SRAM RED XG-1290 E1 Rainbow cassette brings together world-class drivetrain technology and distinctive styling.

Its carefully selected sprocket progression helps maintain an efficient pedalling rhythm, whether riding in a fast-moving peloton, attacking steep climbs or accelerating towards the finish line.

The X-DOME construction reduces weight while providing the stiffness and durability needed for demanding road cycling.

With four available gearing options, riders can select a closer-ratio cassette for fast racing or a wider range for challenging mountainous terrain.

The distinctive Rainbow finish gives the cassette a premium appearance while retaining the precision and efficiency expected from SRAM RED components.

Precision engineering, exceptional performance and unmistakable SRAM RED styling.