Product Specs:

• Brand: Azusa
• Style: Heavy Duty Hub with Sprocket Kit
• Material: Steel
• Chain Pitch: #41 / #420 / #40
• Teeth: 54T
• Bolt Pattern: (4) 5/16" Bolt Holes on a 4" Bolt Circle
• Axle Size / Bore: 1" Hex
• Keyway: 1/4"
• Includes Hardware