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Dura-Ace RD-9100 Rear Derailleur

Dura-Ace RD-9100 Rear Derailleur - Main image
$115 $229.99 In stock

This Shimano Dura-Ace RD-9100 Rear Derailleur is a performance-oriented component designed for precise, reliable shifting. It is built to meet the demands of serious road cyclists who expect smooth and accurate gear changes.

  • Part of Shimano's flagship Dura-Ace series, known for race-level performance.
  • Model RD-R9100, engineered for modern drivetrain setups.
  • Suitable as a rear derailleur for road bike builds or upgrades.
  • SKU reference: IRDR9100SS (standard configuration).

Customer Reviews (5.0 / 5 · 2 reviews)

Ryan ★★★★★

The rear derailleur’s cage tension feels rock-solid under load, and every shift up or down the cassette lands with a satisfying click. I’ve put about 500 hard miles on it, and the precision hasn’t faded one bit.

Richard E. ★★★★★

Shifts are so crisp and precise that I actually look forward to climbing now—it just clicks into each cog without hesitation. The build quality feels absolutely solid, and even after a few hundred kms, the action hasn’t loosened up one bit. If you’re after reliable performance on long road rides, th