The SunRace cassette is a 10-speed cassette suitable for various types of bicycles, including city bikes, road bikes, and mountain bikes. With a cassette and cog ratio of 11-28T, this cassette offers a wide range of gears. The cassette is made of steel and has a silver finish. At 245 grams, this cassette is lightweight and offers smooth and fluid shifting. The cogs are made of hi-tensile steel, and the lockring is made of aluminum. With the SunRace cassette, you can enjoy smooth shifting and optimal performance while cycling. Product specifications - Number of gears: 10S - Cassette & Pion ratio: 11-28T - Bicycle type: city bike, racing bike, ATB/MTB - Color: silver - Material: steel - Depth: 44.5 mm - Weight: 245 grams - Type: CSRS0 - Suitable for the brand: Shimano - Sprocket ratio: 11-28 - Brands: SunRace - Model: CSRS0 - Type: RACE - Bicycle type: Racing bike - Net weight (g): 250 - Number of sprockets: 10 - Compatible body: Shimano - Finish: silver - Functions: Super Fluid Drive - Sprockets: Hi-Tensile steel - Lockring: Aluminum