Miche primato 10 speed cassette campagnolothe miche primato 10 speed campagnolo cassette is designed to work flawlessly with all 10 speed campagnolo 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 campagnolo 10 speed weight 279g 11 21tbuymiche componentsfrom chain reaction cycles the worlds largest online bike store