The Deore M7200 12-speed cassette cog tooth profiles improve shifting under high load while remaining smooth, fast, and durable. It is also Micro Spline compatible and built with steel and alloy cogs to optimize weight and durability. Its 10-tooth cog supports smoother transitions between gears, and a wider 10-51t range, making it ideal for pretty much any use, from XC or enduro racing to all-day adventures on the trails. The M7200 touts robust shifting performance in a stronger, lighter package. Micro Spline compatible design features smaller and more widely distributed splines limit cog damage on lightweight aluminum freehubs Largest cog uses aluminum, while the others use steel to strike the ideal weight-strength balance HyperGlide+ provides fast and smooth shifting, even under load (requires HG+ chain - sold separately) Shaves weight from the previous model through strategic cog material reduction Anodized aluminum spider arm reduces weight Compatible with all Micro Spline freehub bodies Item Specifications Cassette Body Type Shimano Micro Spline Cogs 10-12-14-16-18-21-24-28-33-39-45-51 Color Silver/Blacke Defined Color Black Defined Color Silver Drivetrain Speeds 12 Range 10-51 Weight 509 Shimano Deore CS-M7200-12 Cassette Cassettes UPC: 192790227634