Rear derailleur Shimano Dura-ace ax

Shimano Dura-Ace AX RD-7300 rear derailleur – ultimate shifting performance

The Dura-Ace AX RD-7300 derailleur represents the pinnacle of Shimano technology for high-end road bike drivetrains. Designed for demanding cyclists, this rear derailleur ensures smooth, precise, and responsive gear shifts, even under heavy load. Its lightweight yet robust construction optimizes every gear change, delivering unmatched drivetrain performance for a pure, efficient riding experience.

Whether you ride on flat roads, tackle steep climbs, or race competitively, the Shimano Dura-Ace AX rear derailleur transforms your drivetrain into a perfectly synchronized machine.

Technical specifications

• Model: Shimano Dura-Ace AX RD-7300

• Type: Road bike rear derailleur

• Speed Compatibility: 9-speed

• Mounting: Standard clamp

• Orientation: Rear

• Materials: High-strength lightweight alloy

• Approx. Weight: Ultra-light for peak drivetrain performance

• Technology: Optimized alignment for precise chain movement

• Color: Silver / Black, elegant design matching Dura-Ace components

Key features & benefits

Ultra-precise shifting

The Dura-Ace AX RD-7300 delivers exceptional accuracy when changing gears, reducing power loss and providing instant derailleur response.

Smooth and quiet drivetrain

Thanks to Shimano engineering, every shift across chainrings and cogs is remarkably smooth, prolonging chain and cassette life.

High-end performance

Built for the most demanding drivetrains, this rear derailleur is perfect for competitive riders, serious cyclists, and anyone seeking a reliable, responsive bike transmission.

Compatibility & integration

The RD-7300 integrates seamlessly with Dura-Ace components, ensuring perfect synchronization between shifters, chain, and cassette.

Why choose this derailleur for your drivetrain ?

The Dura-Ace AX derailleur is more than just a component—it’s the heart of your bike’s drivetrain. It optimizes every gear change, enhances pedaling efficiency, and converts your energy into speed and performance. It’s a smart investment for any cyclist seeking professional-grade equipment.