Features:

• Get the same reliable, lightweight performance BlackBox racers enjoy.
• Tested on the pro circuit. Proven on the podium. SRAM® PowerGlide II™ 9-speed cassettes meet the demands of mtbers everywhere - from elite racers to weekend trail riders.

Specifications:

• Type: PowerGlide II
• Speed: 9
• Recommended Chain: PC-990, PC-970, PC-950
• Lock Ring: Satin Chrome / Anodized Alloy
• Finish: Satin Chrome