Supersprox Steel Rear Sprocket 525 - 40T - RFE-613-40-BLK

Features:

• CAD Designed and CNC Laser cut to ensure an exact fit
• One of the lightest all steel sprockets on the market
• The steel theet last 3 times longer than aluminum
• Developed on the race track to give longer system life and high performance
• Include our exlusive 2x zink for anti corrotion and black finish
• Special tooth design increases chain contact and significantly extends the sprocket life

Specifications:

• Tooth Count: 40
• Color/Finish: Black
• Material: Steel
• Style: Stealth
• Type: Rear
• Inner Diameter (ID): 128
• Bolt Hole: 8.4