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Narrow wide tooth profile keeps chain on the ring
connect directly to your Apple Watch as another option for gathering heart rate data in the Apple Workout app
8mm Colour Black with Stealth Decals FEATURES
this mount
Optimized Design
KMC - 11sp REACT Cassettes Stock Item:KMC REACT CASSETTE 11-SPEED 11-50T HIGH TENSILE STEEL, BLACK Narrow wide tooth profile keepsKMC 11SP REACT CASSETTES 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.
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