REAR SPROCKET 420 50T ERGAL BK

Steel Rear Sprocket

• Sunstar is the largest OEM and aftermarket supplier of motorcycle and ARV sprockets in the manufacturing world for every major Japanese motorcycle builder since 1946
• Computer-designed weight reduction holes for the best combination of lightness, strength and stability
• Exclusive tooth-valley design provides 50% better chain contact area for the best power transfer possible
• Cleaning grooves added at bottom of tooth area