microSHIFT ADVENT Super Short Cassette - 9 Speed, 11-38t, Black, ED CoatedDesigned specifically for the microSHIFT Super Short Cage ADVENT derailleur, this 9 speed, 11 38T cassette provides wide range and low gears for bikes with smaller wheels. It's built with the same precision and durability as our wider range cassettes. And yes, it works with a standard HG freehub body and a normal 9 speed chain. Compatible with standard HG cassette hub bodies Continuosly molded cogs achieve a high standard of durability and