Shimano altus cs-hg31 black 11-32 8 speedSHIMANO Cassette CS-HG31 8-speed 11-13-15-18-21-24-28-32T BA0603A Shimano 8 sp cassette11-32 Shimano Cassette HG31 8V 11-32 vertanding: 11-13-15-18-21-24-28-3221,99