42 Tooth Sprocket for #410 (1/2" x 1/8") Bicycle Chain
- Made from Aircraft Grade Tempered (Hardened) Aluminum
- For #410 (1/2" x 1/8") Bicycle Chain
- 42 Teeth
- 145mm (5.7") OD
- 54.1mm ID
- Five 5.2mm ID Bolt Holes Equally Spaced at 72 Degrees
- 67mm Bolt Circle Diameter