SRAM RED XPLR XG-1391 E1 – Ultimate 13-Speed Gravel Performance

Conquer demanding gravel terrain with the SRAM RED XPLR XG-1391 E1 13-Speed Cassette, engineered for exceptional shifting precision, lightweight performance and an impressive 460% gear range.

Designed for SRAM's premium RED XPLR AXS drivetrain, this advanced gravel cassette combines a wide 10–46T gearing range with carefully optimised steps between sprockets, giving riders the versatility to tackle steep climbs, fast gravel roads and challenging race conditions.

With 13 carefully selected sprockets, the XG-1391 delivers the climbing capability required for demanding off-road adventures while maintaining close gear progression for efficient cadence control at higher speeds.

Weighing just 288 grams, this premium cassette delivers an exceptional balance of low weight, durability and race-ready performance.

Key Features & Benefits

• 13-Speed Gravel Performance – Developed specifically for SRAM RED XPLR AXS 1x13 drivetrains, delivering outstanding shifting precision across challenging terrain.

• Wide 460% Gear Range – The 10–46T cassette provides the versatility needed for steep climbs, high-speed gravel racing and long-distance adventures.

• Optimised Gear Progression – Carefully selected sprocket ratios help maintain an efficient pedalling cadence with smooth transitions between gears.

• Ultra-Lightweight Construction – Weighing approximately 288 g, the cassette minimises drivetrain weight without sacrificing durability.

• Precision Shifting Technology – Optimised shifting features on every sprocket support fast, accurate and consistent gear changes, even on rough gravel surfaces.

• Designed for 1x Drivetrains – Developed for compatible SRAM XPLR 13-speed rear derailleurs, providing a streamlined drivetrain setup without a front derailleur.

• SRAM Flattop Chain Compatibility – Compatible with SRAM road Flattop chains approved for the RED XPLR drivetrain.

• XDR Freehub Compatibility – Fits SRAM XDR freehub bodies for secure installation and reliable power transfer.

• Race-Ready Reliability – Built to perform during intense accelerations, technical gravel sections and demanding endurance events.

• Premium SRAM RED Design – High-end construction and a distinctive silver and black finish complement modern performance gravel bikes.

Engineered for the Toughest Gravel Challenges

Gravel racing demands a drivetrain that can respond instantly to changing terrain. From fast, hard-packed roads to loose gravel climbs and technical off-road sections, the SRAM RED XPLR XG-1391 E1 delivers the gearing flexibility needed to maintain momentum.

Its 460% gear range combines a 10-tooth smallest sprocket for high-speed riding with a 46-tooth largest sprocket for demanding climbs.

The carefully optimised 13-speed progression provides smaller steps between gears where they matter most, helping riders maintain their ideal cadence during fast racing and sustained efforts.

Designed to work with SRAM's RED XPLR AXS electronic drivetrain, the cassette provides smooth and dependable shifting even when riding conditions become demanding.

SRAM RED XPLR XG-1391 E1 – Exceptional range, precise shifting and uncompromising gravel racing performance.