72 Tooth 35 Chain Sprocket 4-1/2" Drum for Astro Wheel w/ Hardware

72 Tooth 4-1/2" Sprocket Drum 35 Chain for Astro Wheel w/ Hardware Also Fits vintage JD Enterprises wheels found on Mickey Thompson minibikes. Stamped for added precision, our one-piece #35 chain 72 tooth Steel Sprocket and 4-1/2" Drum combinations provide strong, reliable units at economical prices. (Replaces Riveted assemblies.)

The four bolt patterns are as follows:

• 3 holes (5/16") on a 3.75" Bolt Circle
• 5 Holes for the Astro wheels
• 4 holes (1/4") on a 3.75" Bolt Circle
• 4 holes (1/4") on on a 3.228" Bolt Circle (these holes are a bit differently spaced to accommodate the four holes on the mini-hubs AZ_2561 / AZ_2568 / AZ_2565)