Shimano

From Shimano:

• Deore M6200 12-Speed Micro Spline MTB cassette featuring light weight minimal design sprocket carrier
• Hyperglide sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under load
• Close ratio gearing allows a more efficient use of energy through finer cadence control
• Sprockets are cut away and drilled to reduce weight without reducing rigidity
• For use with 12-speed MTB chains