The Shimano 105 RD-5800-SS Rear Derailleur is a short-cage, 11-speed road rear derailleur designed for reliable, precise, and smooth shifting on Shimano 105 5800 series drivetrains. Engineered for affordable performance, it combines lightweight construction with durable materials to deliver consistent gear changes for road cycling enthusiasts.

Featuring SHIMANO SHADOW RD technology, the derailleur maintains a low profile behind the cassette, reducing the risk of damage and enhancing shifting stability. Its direct-attachment mount, cable adjuster, and precision pulleys ensure efficient power transfer and minimal friction across a wide range of 11-speed road cassettes.

Key Features:

• Model: Shimano 105 RD-5800-SS

• Series: Shimano 105 5800

• Speed Compatibility: 11-Speed

• Cage Type: Short Cage

• Mount Type: Direct attachment (Conventional)

• Max Front Difference: 16T

• Rear Sprocket Range: 11–28T

• Pulley System: 11T teeth, sunken type pulley bolts, fluoric-coated link bushings

• Colors: Black | Silver

• Average Weight: 234 g

• Reliable and precise rear shifting for road cyclists seeking performance and durability at an affordable level