SAGMIT EVO CASSETTE SPROCKET 9 10 11 12 SPEED FOR MOUNTAIN BIKE AND ROAD BIKE MTB RB

Sagmit Evo Cassette Drivetrain SprocketSuperior Rust & Corrosion Shield: Engineered to withstand harsh industrial and marine climates. The premium black phosphating film provides protection that is multiple times stronger than standard phosphating, and dozens of times more durable than conventional oxide or room-temperature blackening treatments.Heavy-Duty Coating Adhesion: The advanced protective layer bonds seamlessly with the high-grade steel substrate. This significantly improves surface endurance and provides an optimal base for any subsequent chain lubrication or treatments.Premium Sleek Finish: Features a uniform, deep black phosphating layer that adds a clean, high-end look to your bike's drivetrain while acting as a reliable shield. Specifications:Compatibility: Available in 9, 10, 11, and 12-Speed configurations.Material: High-tensile steel substrate with specialized protective finish.