Sram PG-950 9sp Cassette Teeth:11 to 26T High Speed Gliding Base

High Speed Gliding Base

Footprint: COMFORT FIT

As you can see all 4 are utilized from the beginner to expert and therefore your decision is based on your own personal preference

Strong nylon outer material and 3D-mesh inside

This synthetic cork has a higher density than a regular synthetic cork

Sram PG-950 9sp Cassette Teeth:11 to 26T High Speed Gliding BaseIf 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. Technology: PowerGlide II Recommended Chain: PC 991, PC 971, PC 951 Lock Ring Material Finish: Heat Treated Steel Sprocket Material Finish: Chrome Plated