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Shimano 105 RD-R7100 (12Speed)
  • Shimano 105 RD-R7100 (12Speed)
  • Shimano 105 RD-R7100 (12Speed)
Shimano 105 RD-R7100 (12Speed)

Shimano 105 RD-R7100 (12Speed)

$95.00 CAD

12-Speed Mechanical Precision. Low-Profile Stability.

The engineering highlight of the Shimano 105 RD-R7100 Rear Derailleur is its Shadow RD architecture. By keeping the derailleur body tucked tightly beneath the chainstay and cassette, Shimano minimizes the risk of damage from road debris, parking mishaps, or accidental tipping. Designed specifically to handle modern wide-range 12Speed road cassettes (up to 36T), it delivers a consistent, light-action lever stroke that keeps your pedaling fluid across steep mountain passes and high-speed group rides.

Why the 105 RD-R7100 Belongs on Your Road Bike:

  • 12Speed Mechanical Precision: Formulated for smooth, instantaneous gear shifts across 12Speed cassettes with the crisp, tactile feedback that mechanical shifting purists demand.

  • Low-Profile Shadow RD Architecture: Keeps the derailleur body protected under the frame structure while providing stable, bounce-free chain movement over rough pavement.

  • Expanded Cassette Capacity (Up to 36T): Compatible with both 11-34T and 11-36T 12Speed cassettes, giving you access to ultra-low bail-out climbing gears for steep gradients.

  • Direct Mount Compatibility: Fits standard frame derailleur hangers as well as modern Direct Mount interfaces for increased structural rigidity and simpler rear wheel removal.

  • Polished Alloy Construction: Built with durable aluminum link arms and a rigid pulley cage designed to withstand high-mileage training and all-weather road conditions.

Technical Specifications:

  • Series: Shimano 105 R7100 Series

  • Drivetrain Speed: 12Speed Mechanical

  • Low Sprocket Max: 36T

  • Low Sprocket Min: 34T

  • Top Sprocket Max: 11T

  • Total Capacity: 41T

  • Maximum Front Difference: 16T

  • Weight: ~249g

 

The Alegro Perspective: Mechanical 105 12-speed group is a massive hit. The RD-R7100 derailleur proves that you don't need batteries or charging cables to get flawless, high-precision 12Speed shifting. Pairing this derailleur with an 11-36T cassette gives you an incredibly broad gear range that makes climbing long, steep mountain passes feel effortless. It’s simple to cable up, holds its adjustment indefinitely, and delivers benchmark Shimano reliability mile after mile.

12Speed Mechanical Precision. Expanded Climbing Range. Elevate Your Road Performance with Shimano.

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