About SRAM PG-950 11-28 9 Speed Cassette
If you're a rider whose performance needs or riding style dictates that you run a 9-speed drivetrain, the PG-950 is the right choice for light weight, strength, and precise shifting.

Features
9-speed choice for lightweight, strength, and precise shifting

Recommended Chains: PC-991 HP, PC-991 XS, PC-991, PC-971, PC-951

Specifications
Speed (CS): 9s

Gearing: 11-28t

Cog Finish (Cassette): Silver

Technology (Cassette): PG

Cog Sizes: 11-28t: 11,12,13,14,16,18,21,24,28

About SRAM
Founded in 1987, SRAM (an acronym of the 3 founders names, Scott, Ray and Sam) is a privately owned bicycle component manufacturer located in Chicago. They're known for developing many of the inovative technologies used in bikes today including ETAP wireless electric shifting, Grip Shift, dedicated single chain ring drivetrains, narrow wide chainrings and more. Sram also own bicycle component brands Rockshox, Quarq, Zipp and Truvativ.