Sunrace CSMZ903 12sp Cassette, 11-51t - Black

- 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



Model: CSMZ903
Freehub Type: HG (8-11sp)
Speed: 12
Range: 11-51
Cogs: 11,13,15,17,19,21,24,28,33,39,45,51
Color: Black
Weight: 517g