12A Roller Chain - 10ft Box 35-100 Wear Gauge This 120B15 sprocket is a

This 120B15 sprocket is a durable

Dimension (C): 3-3/16"

100BS20 2" Finished Bore Sprocket Dimensions

This 100BTB11 sprocket is a durable

Pitch Diameter: 17

12A Roller Chain - 10ft Box 35-100 Wear Gauge This 120B15 sprocket is aThis 12A roller chain is manufactured dimensionally to ANSI B29. 1 and ISO standards, so it directly interchanges with other ANSI, DIN, and ISO certified chains. Though dimensionally equivalent this chain exceeds in strength, performance, and durability. Additionally, this 12A roller chain is manufactured using heat treated precision components, features a solid roller design for increased performance, and is supplied with a high quality lubricant