The SHIMANO Altus Front Derailleur FD-M310 31.8/34.9mm 7/8S Black is a high-quality and durable front derailleur designed for use with 7 or 8-speed drivetrains. It is specifically designed to fit frames with a seat tube diameter of 31.8 or 34.9mm, making it a versatile option for a wide range of bikes.

This front derailleur is part of the Altus groupset from SHIMANO, known for its reliable and smooth shifting performance. It features a sleek black finish that will complement any bike's aesthetics. The FD-M310 is made with high-quality materials and precision engineering, ensuring long-lasting performance and durability.

The FD-M310 has a top swing design, which means the derailleur pivots from the top, allowing for a more natural cable routing and smoother shifting. It also has a dual-pull design, meaning it can be used with both top and bottom pull cable routing. This makes it a versatile option for different bike setups.

Overall, the SHIMANO Altus Front Derailleur FD-M310 31.8/34.9mm 7/8S Black is a reliable and high-performing component that will enhance your bike's shifting performance. Whether you're a casual rider or a serious cyclist, this front derailleur is a great choice for smooth and efficient gear changes.