Shimano XTR CS-M9200-12 Cassette – 12-Speed 10-51t Hyperglide+ Micro Spline Gray. The Shimano XTR CS-M9200-12 represents the evolution of HYPERGLIDE + shifting. New cassette cog tooth profiles improve shifting under high load while remaining smooth fast and durable. This cassette is still MICRO SPLINE-compatible and built with steel titanium and alloy cogs to optimize weight and durability.

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