9-speed road cassette Super Fluid Drive� technology Steel cogs Aluminum lock ring ~ 280g SHIMANO Equivalent CS-HG50 12-25t 9sp 12,13,14,15,17,19,21,23,25 Nickel
10-speed road cassette Super Fluid Drive� technology Steel cogs Aluminum lock ring and spider ~ 250g SHIMANO Equivalent CS-6700 / CS-5700 / CS-HG81 / CS-HG62 11-25t 10sp 11,12,13,14,15,17,19,21,23,25 Metallic Silver
10-speed road cassette Super Fluid Drive� technology Steel cogs Aluminum lock ring and spider ~ 250g SHIMANO Equivalent CS-6700 / CS-5700 / CS-HG81 / CS-HG62 11-28t 10sp 11,12,13,14,15,17,19,21,24,28 Metallic Silver
10-speed road cassette Super Fluid Drive� technology Steel cogs Aluminum lock ring and spider ~ 250g SHIMANO Equivalent CS-6700 / CS-5700 / CS-HG81 / CS-HG62 11-32t 10sp 11,12,13,15,17,19,21,24,28,32 Metallic Silver
10-speed road cassette Super Fluid Drive� technology Steel cogs Aluminum lock ring and spider ~ 250g SHIMANO Equivalent CS-6700 / CS-5700 / CS-HG81 / CS-HG62 12-28t 10sp 12,13,14,15,17,19,21,23,25,28 Metallic Silver
10-speed road cassette Super Fluid Drive� technology Steel cogs Aluminum lock ring and spider ~ 250g SHIMANO Equivalent CS-6700 / CS-5700 / CS-HG81 / CS-HG62 12-32t 10sp 12,13,14,15,17,19,21,24,28,32 Metallic Silver
11 speed road cassettes with Sunrace`s Super Fluid Drive technology High tensile steel sprocket with aluminum spacers, spider and lockrings 11-28t 11sp 11,12,13,14,15,17,19,21,23,25,28 Black/Chrome 278g
11 speed road cassettes with Sunrace`s Super Fluid Drive technology High tensile steel sprocket with aluminum spacers, spider and lockrings 11-32t 11sp 11,12,13,14,15,17,19,21,24,28,32 Black/Chrome 290g