Push your cross-country race bike to its absolute limit with the SRAM XX SL T-Type Eagle Transmission AXS Groupset. Engineered as SRAM's lightest and most advanced mountain bike drivetrain, the XX SL Transmission delivers uncompromising wireless performance, race-winning precision and exceptional durability for elite XC and marathon riders.

Built around SRAM's revolutionary T-Type Eagle Transmission platform, this flagship groupset combines a hangerless Full Mount rear derailleur, lightweight carbon crankset, 10-52T cassette and the latest Pod Ultimate controller to create the most capable electronic drivetrain SRAM has ever produced.

Designed exclusively for bikes with a UDH (Universal Derailleur Hanger) compatible frame, the XX SL Transmission provides flawless shifting under load, reduced maintenance and unmatched drivetrain performance for riders who demand the very best.

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Why Choose the SRAM XX SL T-Type Eagle Transmission AXS Groupset?

• SRAM's lightest flagship wireless XC groupset
• Race-proven World Cup and World Championship technology
• Wireless AXS electronic shifting
• Revolutionary T-Type Eagle Transmission platform
• Hangerless Full Mount derailleur for maximum durability
• Ultra-light carbon crankset with direct mount chainring
• Wide-range 10-52T cassette with 520% gear range
• XX SL Flattop chain for improved efficiency and longevity
• Pod Ultimate wireless controller
• Genuine SRAM AXS battery and charger included
• Compatible with optional Quarq power meter upgrade

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Built for World Cup Performance

Developed from SRAM's World Championship-winning XC race platform, the XX SL T-Type Eagle Transmission has been engineered to deliver the fastest, smoothest and most reliable shifting available.

Unlike traditional drivetrains, Eagle Transmission is designed as a complete, fully integrated system where every component works together. This results in exceptional drivetrain efficiency, increased durability and confidence-inspiring performance across the toughest race courses.

Whether attacking technical climbs, sprinting out of corners or navigating rock gardens, XX SL delivers effortless gear changes exactly when you need them.

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Revolutionary Shifting Under Load

One of the biggest advancements in T-Type Eagle Transmission is its ability to shift smoothly while you're applying maximum power.

The XX SL Eagle Transmission cassette combines SRAM's advanced X-SYNC technology with optimised cassette mapping to create seamless gear changes without needing to ease off the pedals.

Benefits include:

• Faster shifting under heavy pedalling
• Improved drivetrain efficiency
• Smoother gear transitions
• Excellent chain retention
• Greater rider confidence in technical terrain
• Optimised performance during racing and climbing

The harder you pedal, the better the system performs.

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Ultra-Light XX SL Carbon Crankset

The XX SL carbon crankset remains one of the lightest ISO-certified MTB cranksets available, delivering exceptional stiffness for explosive power transfer while keeping overall bike weight to an absolute minimum.

Available crank lengths:

• 165mm
• 170mm
• 175mm

Chainring:

• 34T Direct Mount T-Type Chainring

Features:

• Race-winning stiffness
• Lightweight carbon construction
• Optimised for Eagle Transmission
• Compatible with optional Quarq power meter upgrade

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Hangerless Full Mount Rear Derailleur

The XX SL rear derailleur introduces SRAM's revolutionary Full Mount interface, eliminating the traditional derailleur hanger entirely.

Mounted directly around the rear axle, the derailleur offers significantly improved strength and alignment while reducing the likelihood of crash damage.

Features

• Full Mount hangerless design
• Exceptional impact resistance
• Precise derailleur alignment
• Overload Clutch protection
• Improved durability
• Simple wireless AXS pairing
• Magic Wheel lower pulley helps keep the drivetrain running when trail debris becomes trapped

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XX SL Eagle Transmission Cassette

The premium 10-52T XX SL Eagle Transmission cassette delivers an impressive 520% gear range, giving riders effortless climbing capability alongside high-speed gearing for race-day performance.

Features

• Full X-SYNC tooth profile
• Optimised gear progression
• Lightweight X-Dome construction
• Smooth inboard and outboard shifting
• Exceptional durability
• Outstanding chain retention

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XX SL Transmission Flattop Chain

Designed specifically for Eagle Transmission, the XX SL Flattop Chain improves both performance and durability.

Benefits include:

• Unique Flattop profile
• Faster, quieter shifting
• Increased drivetrain strength
• Reduced wear
• Premium hard chrome finish
• Optimised for T-Type drivetrains

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Pod Ultimate Wireless Controller

The Pod Ultimate controller provides intuitive wireless shifting with SRAM's ergonomic Click-and-Fire two-button interface.

Features include:

• Lightweight premium construction
• Adjustable positioning
• Customisable AXS controls
• Improved rider ergonomics
• Fast and reliable wireless operation

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Included Components

• XX SL T-Type Eagle Transmission Rear Derailleur
• XX SL Carbon Crankset
• 34T Direct Mount T-Type Chainring
• XX SL 10-52T Eagle Transmission Cassette
• XX SL Transmission Flattop Chain
• Pod Ultimate AXS Controller
• SRAM AXS Battery
• SRAM AXS Battery Charger

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Specifications

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Ideal For

The SRAM XX SL T-Type Eagle Transmission AXS Groupset is perfect for:

• Cross Country (XC) racing
• Olympic XC
• Marathon MTB
• Lightweight race bike builds
• Professional and competitive riders
• Riders upgrading to SRAM AXS wireless shifting
• Premium custom mountain bikes

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Frequently Asked Questions

Is the SRAM XX SL Transmission compatible with all mountain bikes?

No. This groupset is designed for bikes with a UDH (Universal Derailleur Hanger) compatible frame that supports SRAM's Full Mount Transmission system.

Does this version include a power meter?

No. This is the standard XX SL Transmission AXS Groupset. An integrated Quarq power meter version is available separately.

Is the AXS battery included?

Yes. The groupset includes a genuine SRAM AXS battery and charger, allowing you to ride straight out of the box.

Can I shift while pedalling hard?

Yes. One of the key benefits of SRAM's T-Type Eagle Transmission is its ability to deliver smooth, accurate shifting under maximum rider power.

What cassette does this groupset include?

The groupset includes the premium 10-52T XX SL Eagle Transmission cassette, providing a huge 520% gear range for everything from steep climbs to high-speed descents.

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Why Buy the SRAM XX SL T-Type Eagle Transmission AXS Groupset?

If you're building the ultimate cross-country race bike, the SRAM XX SL T-Type Eagle Transmission AXS Groupsetsets the benchmark for lightweight performance, precision engineering and wireless shifting technology. Combining World Cup-proven reliability, SRAM's revolutionary hangerless Full Mount derailleur, seamless shifting under load and the latest AXS wireless controls, this flagship groupset is designed to help serious riders perform at their absolute best.