The FB2102A Shimano 7-speed cassette (12-28) is a high-quality cassette for 7-speed bicycles. This cassette offers smooth and reliable shifting performance, allowing you to switch effortlessly between different gears. With a range of 12-28 sprockets, this cassette is suitable for various terrains and offers the right ratios for both climbing and speed. Upgrade your bicycle with this Shimano cassette for an optimal riding experience. Product specifications - Brand: Shimano - Model: FB2102A - Number of gears: 7 - Sprocket ratio: 12-28 - Suitable for: 7-speed bicycles - High quality - Smooth and reliable shifting performance - Suitable for various terrains - Optimal range for climbing and speed