The SunRace cassette is a high-quality bicycle component suitable for city bikes, road bikes, and ATBs/MTBs. With 11 gears and a cassette and cog ratio of 11-36T, this cassette offers a smooth and reliable shifting experience. The lightweight design ensures efficient cycling performance, while the black finish provides a stylish look. The Super Fluid Drive function ensures smooth and precise shifting. The cogs are made of high-quality Hi-Tensile steel, and the spacer is made of aluminum (red anodized). Weighing just 360 grams, this SunRace cassette is an excellent choice for cycling enthusiasts seeking quality and performance. Product specifications - Number of gears: 11S - Cassette & Pion ratio: 11-36T - Type of bicycle: city bike, racing bike, ATB/MTB - Color: black - Material: steel - Depth: 45 mm - Weight: 360 grams - Type: CSRX1 - Brand: SunRace - Model: CSRX1 - Number of gears: 11 speed - Gear ratio 11-36T - Lightweight design - Finish: black - Weight: 360 grams - Functions: Super Fluid Drive - Material of the sprockets: Hi-Tensile steel - Material of the spacer: aluminum (red anodized)