Rear Sprocket Steel 42t-520 Blk Hon

Rear Sprocket Steel 42t-520 Blk Hon

Features:

• The only dual material rear sprocket available for both street and off road applications
• Steel teeth last up to 3 times longer than aluminum
• 7075-T651 Aluminum core, lighter than steel
• CNC machined, providing perfect fit on the wheel
• Larger tooth radius reduces chain friction and extends chain life
• U. S. and European patented