Miche primato 10 speed cassette shimanothe miche primato 10 speed shimano cassette is designed to work flawlessly with all 10 speed shimano groupsets the sprockets are made from chrome plated steel for incredible durability and excellent shifting features material chrome plated steel lock ring opaque chrome steel lock ring compatibility shimano 10 speed weight 263g 11 21tbuymiche componentsfrom chain reaction cycles the worlds largest online bike store