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Shimano Ultegra RD-R8150 12-Speed Di2 Rear Derailleur

Niel Ubod May 29, 2025

MPN: IRDR8150F

$470.00

Features a carbon derailleur cage and delivers quick and reliable shifting

Only 1 left in stock – Ships tomorrow! (Wednesday)

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Shimano Ultegra RD-R8150 12-Speed Di2 Rear Derailleur

The Shimano Ultegra RD-R8150 12-Speed Di2 Rear Derailleur delivers quick and reliable shifting. This derailleur is 58% faster than the previous generation and is made to balance performance with price. It features a carbon derailleur cage and standard pulley wheel bearings. Now offered in a singular derailleur cage length, this derailleur is compatible with 30T and 34T cassettes.

 

Technology

Shimano’s Fastest Shifting
Already known for its fast and reliable shifting, the Shimano Ultegra RD-R8150 is Shimano’s fastest rear derailleur ever.

LED Indicator
See your battery level and what mode the derailleur is in with just a glance at its LED light.

Compact Design
This derailleur prioritizes weight while maintaining a compact profile with charge port and mode button.

Function Button
Use the Shimano Function Button to pair your derailleur, see your battery level and change shifting modes.

Compatibility

  • Compatible with Shimano 12-speed drivetrains

Shimano Ultegra RD-R8150 Rear Derailleur Specs

  • Speed: 12-speed
  • Color: Black
  • Cage Material: Carbon
  • Pulley Bearings Material: Standard
  • Weight: 262 grams
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