90 Tooth Sprocket for #410 Chain with ISO Mounting Pattern
- Made from Tempered (Hardened) Aircraft Grade Aluminum Alloy
- 90 Teeth
- For #410 (1/2"x1/8") Bicycle Chain
- ISO Disc Brake Rotor Mounting Pattern
- 44mm Bolt Circle Diameter
- 35.5mm Bore
- Six 5.5mm ID Bolt Holes @ 60 degrees