57 Tooth Sprocket for #41 and #420 Chain
- Made from Aircraft-Grade Tempered (Hardened) Aluminum Alloy
- For #41 and #420 Chain
- 57 Teeth
- F5 Mounting Pattern
- 9.4" OD
- 54.1mm (2.13") ID
- Five 5.25mm (0.2067") ID Bolt Holes
- 67mm (2.6378") Bolt Circle Diameter