With a 510% gear range delivered through its 10-51t cog the Deore M6200 12-speed represents the pinnacle in durable affordable and versatile Micro Spline compatible cassettes. The M6200 model shaved off its weight through material reduction in the steel cogs while maintaining superb shifting performance and improved strength.Micro Spline compatible design features smaller and more widely distributed splines limit cog damage on lightweight aluminum freehubsHyperGlide+ provides fast and smooth shifting even under load (requires HG+ chain - sold separately)Features an optimized construction to make the cassette lighter than the previous model achieved through strategic material reductionSteel cogs ramp up durability and strengthAnodized aluminum spider arm reduces weightCompatible with all Micro Spline freehub bodies