1" Bore Brake Drum Sprocket Hub
1/4" Keyway for Go Kart Cart Mini Bike Trike
4" Outer Diameter, 1" Bore with 1/4" keyway & 2 Set Screws
(4) 1/4" Bolt Holes on a 3.228" Bolt Hole Circle, (4) 3/8" Bolt Holes on a 2 7/8" Bolt Hole Circle
1" Bore Brake Drum Sprocket Hub
1/4" Keyway for Go Kart Cart Mini Bike Trike
4" Outer Diameter, 1" Bore with 1/4" keyway & 2 Set Screws
(4) 1/4" Bolt Holes on a 3.228" Bolt Hole Circle, (4) 3/8" Bolt Holes on a 2 7/8" Bolt Hole Circle