Studio : SRAM Publisher : SRAM Product Description PowerGlide II 9-speed performance in an all-steel cassette.Technology Highlight(s) PowerGlide II Speeds 9 Speed Recommended Chain PC-991, PC-971, PC-951 Lock Ring Material Heat Treated Steel Sprocket Material Chrome PlatedPowerGlide II Cassette technology optimized for offroad. More reliable. More durable. Better performing, thanks to an optimal tooth profile and shift ramp design for quick and positive index shifting. Go climb a mountain Color: Silver Mfr#:00.2415.009.000 0
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