Shimano Dura-Ace RD-R9250 Di2 12-Speed Rear Derailleur for Road Bike 28-34T IRDR9250F

Shimano Dura-Ace RD-R9250 is a genuine Shimano rear derailleur delivering precise, reliable shifting for road bike riders.

Genuine Shimano Dura-Ace — brand new in retail packaging.

Will it fit? This is a 12-Speed rear derailleur (28-34T). For Shimano 12-Speed electronic Di2 road drivetrains — match speeds and cassette range.

Key Specifications

Technology Highlights

• ✓ Di2 electronic shifting gives fast, precise, push-button gear changes every time.
• ✓ Semi-wireless Di2 sends the shift signal wirelessly for a cleaner cockpit.
• ✓ Optimized for 28-34T drivetrains.
• ✓ Carbon-fiber (CFRP) cage is light and stiff for precise rear shifting.
• ✓ Genuine Shimano quality — consistent performance and durability.

What's in the Box

• 1 × Shimano Dura-Ace RD-R9250
• Mounting hardware & documentation (as supplied)
• Original Shimano retail packaging