Sunrace CSMZ903 12 Speed MTB Cassette

• Lightweight wide-range mountain cassette compatible with HG 8-11sp freehub bodies
• Fluid Drive Plus shift enhancing design
• 7075 aluminum largest 3 cogs, all other cogs are steel
• 7 cogs on 2 aluminum spiders, aluminum lockring and spacers
• Compatible with Shimano 12-speed drivetrain
• Type: Shimano 12 Speed
• Style: Shimano/SRAM Spline
• Speed: 12sp
• Range: 11-51t or 11-50t
• Color: Black
• Weight: 517g