ZTTO 12 Speed Rainbow Cassette 11-52T SLR2 12s MTB 12Speed UltraLight K7 12V 413g Freewheel Mountain Bike for HG Hub
ZTTO MTB 12S 11-52T SLR 2 Rainbow Color Cassette
MATERIAL: SPROCKETS :STEEL&ALUMINIUM SPIDER :ALUMINIUM WEIGHT : about 415g Color: COLORFUL Random (Every one is different) RATIOS: 11-13-15-18-21-24-28-32-36-40-46-52T FIT FOR Shinnano HG SYSTEM