SRAM’s PG-990 cassette features a five-arm, CNC-machined aluminum spider providing a rigid foundation. A precision-forged 7000 series aluminum lock ring looks great and sweetens the deal.
• Technology: PowerGlide II
• Compatibility: 9-speed SRAM or Shimano drivetrains
• Lock Ring Material: Anodized Alloy
• Sprocket Material: Blasted Chrome Plated
• Weight: 272 grams (11-32) / 305 grams (11-34)
Brand: SRAM