SunRace CSMZ90 12 Speed MTB Metallic Cassette 11-50T

Spec- 

12 speed wide ratio

Function: Fluid Drive Plus

Gear Combination: 11-13-15-17-19-21-24-28-32-36-42-50

Spider material: alloy

Sprockets on spider: 7 sprockets on 2 spider carriers

Sprocket material: hi-tensile steel (1st-10th) and A7075 (11th-12th)

Alloy spiders, lockring & spacers

11-50T

Metallic finish

Weight - 586g