70 Tooth Aluminum Sprocket for #420 Chain with Custom Mounting Pattern
- Made from Tempered (Hardened) Aircraft Grade Aluminum Alloy
- Custom Mounting Pattern
- 70 Teeth
- For #40, #41, and #420 Chain
- 143mm ID Bore
- Six 8mm ID Bolt Holes @ 60 degrees
- 166mm Bolt Circle Diameter