Shimano ALIVIO FD-M4020-B front derailleur 2x9-speed Mid Cl. Side-Swing

The ALIVIO FD-M4020-B derailleur is a highly developed component specifically designed for mountain bikes. It offers reliable and precise shifting performance, ensuring an optimal riding experience. With its Side-Swing design, this derailleur enables quick and smooth gear changes, making it easier to ride in challenging terrain. The FD-M4020 is compatible with the Alivio M4000 MTB group and supports a 2-speed crankset as well as a 9-speed cassette. Installation is done via a clamp mount, with the clamp diameter adjustable to 31.8 mm or 28.6 mm to ensure broader compatibility with various frames. The derailleur is designed for chainstay angles of 64 to 69 degrees and provides an optimal chainline of 51.8 mm, enhancing efficiency and performance while riding.

• Quick and smooth gear changes thanks to Side-Swing design
• Compatible with 2-speed crankset and 9-speed cassette
• Adjustable clamp diameter for flexible mounting options
• Optimal chainline of 51.8 mm for improved efficiency
• Suitable for chainstay angles of 64-69°.