SunRace CSMZ90 Cassette 12-speed - 11-50 - black / red

High-quality 12-speed MTB cassette with Fluid Drive Plus technology. material lockring: aluminium material spider: aluminium (red anodized) material sprockets 1-10: hi-tensil steel material sprockets 11-12: anodized A7075 aluminium lightweight design 11-50T ratio: 11-13-15-17-19-21-24-28-32-36-42-50 compatible with Shimano HG freehub bodies Fitting for derailleur: 12-speed Material: sprockes 1-10: Hi-Tensil steel sprockes 11-12: aluminium sprockes 11-12: A7075 aluminum spacers: aluminium lockring: aluminium spider aluminium