KMC Chain R.E.A.C.T. Series High-Tensile Steel Cassette, Compatible with HG Freehub, Available in 4-Pack or Single Unit

With the REACT series, KMC has filled a gap in its lineup of drive solutions. Just like KMC chainrings and sprockets, REACT cassettes are precisely designed to match KMC chains. This perfect synergy reduces friction between individual components and enhances the lifespan of all drive components. Meticulously crafted ascent and descent ramps ensure precise chain guidance, improving shifting performance across the entire range. Made from high-strength steel, REACT cassettes are compatible with HG Freehub Bodies and available in various configurations for 8- to 11-speed systems.

• A PERFECT MATCH: Our cassette teeth are designed to work perfectly together with our chain profiles. In addition to increasing durability, efficient cassette tooth and chain engagement reduces friction for an ultimate shifting experience.
• FOUR DECADES OF DESIGN: As KMC continues to advance their chain technology to provide excellent performance and compatibility, they have also added innovative drivetrain components and tools.
• Made from Hardened High-Tensile Steel