The Supersprox Counter Shaft Sprocket 15T (520 Chain) is built for riders demanding maximum reliability, efficiency, and durability. Featuring radial lightening holes for reduced weight, an ultra-hard surface layer to minimize chain drag, and grooved teeth to prevent dirt accumulation, this sprocket ensures smooth power transfer and extended chain life. Manufactured in Europe using premium SCM-435 carbon-free steel with carbon impregnation, it delivers strength and precision far beyond standard C-45 sprockets.
Features
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Fully lightened with radial holes for reduced overall weight
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Ultra-hard surface layer reduces friction & prevents power loss
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Grooved teeth design prevents dirt build-up and extends sprocket life
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Built from SCM-435 carbon-free steel, carbon impregnated for added durability
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Made in Europe to the highest engineering standards
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Strong refined core structure prevents teeth breakage when worn
Specifications
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Material: Steel
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Chain Size: 520
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Teeth: 15
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Color: Black
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Overall Thickness: N/A
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Spline ID: 21.7 mm
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Spline OD: 25 mm
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Number of Splines: 13
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Type: CST
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