Supersprox Edge Sprocket Kit 520 - 40T - RSA-737-40-KIT

Features:

• Perfect for long life, with added style
• Unique tooth design increases sprocket life up to 6% compared to similar designs
• Steel teeth for longer system life; aluminum core for reduced rotational mass - 30% lighter than the OEM part

Specifications:

• Tooth Count: 40
• Type: Conversion
• Type: Edge Rear
• Chain Size: 520
• Material: Aluminum
• Riding Style: Street
• Mounting Position: Rear
• Material: Steel
• Inner Diameter (ID): 60
• Bolt Hole: 38