Brand: SUNSHINE Color: Sliver Number of Speeds: 8/9/10/11/12 Speed Largest Sprocket: 36T Smallest Sprocket: 11T Material: High-strength steel Compatible Bike Type: Road Bike Compatible with: SHIMANO, SRAM, SENSAH, LTWOO, microshift and other road shift kits (Note that it must be Japanese-style cassette hub base)