Something that is notable about this 10B20 sprocket is that it fully meets all ISO Standards
120A17 Sprocket Dimensions
Something else that is notable about this 120BS12H sprocket is that it fully meets all ANSI Standards
manufactured right here in the USA
06B20H sprockets with a stock bore comes with the standard 10 millimeter inside diameter hole with no key-way or set screws and can be easily machine bored to custom sizes
10C100J Sheave ten-groove 10.40" OD filter_Plate Thickness (Ti/ To) 1.7mm Something that is notable aboutThis 10C100J Sheave uses a J QD bushing, is directly interchangeable with other manufacturers, is 10. 40" in diameter, and is manufactured in accordance with ARPM Standard for safe operation. With C series QD sheaves you can use C, CX cogged, CC double angled, and C banded v belts. What separates this 10C100J sheave from the others is that it is made using a high strength cast iron, is phosphate coated, painted, and balanced at the factory. Using the